User talk:JWBE#Vanillin

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Hallo JWBE

Bin gerade noch ziemlich mit FAC für Niobium beschäftigt und habe mich gerade ein bißchen in die Iod production eingelesen die ich noch etwas erweitern wollte, aber ein bißchen Input für die Transurane ist sicherlich hilfreich, weil die in der en: Version noch nicht so besonders sind. Mav is gerade dabei Plutonium anzuhübschen, vielleicht bekommen wir ja es hin auch hier noch ein par GA zu erstellen.--Stone (talk) 10:44, 6 December 2008 (UTC)

Hi. You reverted my revision of Vanillin as seen [http://en.wikipedia.org/w/index.php?title=Vanillin&curid=228190&diff=352913154&oldid=352011001 here]. In the edit summary you wrote that it is both a phenol ether and a phenol. While this is true, this is true for all phenol ethers. Furthermore, the category :Category:Phenol ethers is categorized in both :Category:Phenols and :Category:Ethers, which means vanillin is now categorized in 'Category:Phenols' twice. Please reconsider your edit. Nirmos (talk) 11:12, 30 March 2010 (UTC)

:Sorry, there will be no change and there is nothing to reconsider, as it contains both(!): a methoxy-group and(!) an OH-group, so its a phenol-ether and(!) a phenol. Please have a close look at the structure and its functional groups. Your sentence "While this is true, this is true for all phenol ethers." is here not correct. For example: Anisole is only a phenol ether but not a phenol. Please watch the German version: :de:Kategorie:Phenol and :de:Kategorie:Phenolether and the substances therein. For detailed questions please go to: Wikipedia:WikiProject Chemistry. So long ... --JWBE (talk) 20:44, 30 March 2010 (UTC)

I am going to respectfully revert your move. For people in the area, its called tetraoxide. Or at least we should discuss it. Hope youre ok with that. --Smokefoot (talk) 13:32, 16 December 2012 (UTC)

:The problem is, that the naming of the oxides in en:wp is very diffuse. In de:wp we came to the conclusion to use tho oxdiation state in general, except alkali oxides, erdalkali oxides, 3d-oxides and i.e. Aluminiumoxide instead of Aluminium(III) oxide. Best practice would be, that you would completely follow to the de.wp-solution. The same solution is used with all halogenides, sulfides, etc. So I do not agree with a revert. --JWBE (talk) 14:38, 16 December 2012 (UTC)

::What about discussing this issue on WT:CHEM? --Leyo 19:24, 16 December 2012 (UTC)

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Hi,

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I'm concerned your recent edits to Pentanes don't contain enough citations to prove notability. I don't edit science-related topics but I don't see why these isomers aren't addressed at pentane, instead. Chris Troutman (talk) 19:28, 8 June 2016 (UTC)

:Dont be concerned. Its to make clear between a single substance and a group, and to create a more systematic approach. The collegues in the chemistry portal will take care of it. Greetings --JWBE (talk) 06:45, 9 June 2016 (UTC)

Hi, I'm Kelven99874. JWBE, thanks for creating Intel 8289!

I've just tagged the page, using our page curation tools, as having some issues to fix. External link does not lead to referenced PDF.

The tags can be removed by you or another editor once the issues they mention are addressed. If you have questions, you can leave a comment on my talk page. Or, for more editing help, talk to the volunteers at the Teahouse. Kelven99874 (talk) 15:19, 23 June 2016 (UTC)

:Well, I had translated my own articel from :de:Intel 8289, so the wrong page was transported as well. --JWBE (talk) 15:23, 23 June 2016 (UTC)

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Hello, JWBE,

Welcome to Wikipedia and thanks for creating Berberonic acid! I edit here too, under the username Onel5969 and it's nice to meet you :-)

I wanted to let you know that I have tagged the page as having some issues to fix, as a part of our page curation process and note that:-

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Onel5969 ^{TT me} 15:11, 23 December 2018 (UTC)

An article you recently created, Lutidinic acid, does not have enough sources and citations as written to remain published. It needs more citations from reliable, independent sources. (?) Information that can't be referenced should be removed (verifiability is of central importance on Wikipedia). I've moved your draft to draftspace (with a prefix of "Draft:" before the article title) where you can incubate the article with minimal disruption. When you feel the article meets Wikipedia's general notability guideline and thus is ready for mainspace, please click on the "Submit your draft for review!" button at the top of the page. DannyS712 (talk) 13:07, 25 December 2018 (UTC)

:No, i will move it back, the chemists will discover it very quickly. You are too fast and too "engaged" JWBE (talk) 13:11, 25 December 2018 (UTC)

Hello, JWBE,

Welcome to Wikipedia and thanks for creating Alkanediols! I edit here too, under the username Boleyn and it's nice to meet you :-)

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Boleyn (talk) 20:44, 25 December 2018 (UTC)

I noticed that you made [https://en.wikipedia.org/w/index.php?title=Special:Contributions/JWBE&offset=20190415104338&limit=63&target=JWBE a large number of edits to categories for oxyanions on April 14^th (and also some on April 15^th)], including clearing the category :Category:Transition metal oxyanions and adding various categories to :Category:Oxygen compounds even though they were already descendant categories of :Category:Oxyanions. For :Category:Transition metal oxyanions, you did not appear to specify a reason for any of its members that you removed. If you believed that the category was for some reason unnecessary, in the future, please voice your concern at Wikipedia:Categories for discussion instead of clearing the category. As for the descendant categories of :Category:Oxyanions, be aware that as a general rule (although there are some exceptions), it is unnecessary (and should not be done to prevent categories from becoming cluttered) for one category to be a direct descendant of another category if it is already an indirect descendant of that category. (This is explained for articles at Wikipedia:Categorization#Subcategorization, but it also applies to categories and other pages.) This is necessary for diffusing categories, so making categories that are already indirect descendants of another category direct descendants of that category essentially undiffuses that category. This is considered improper and is a bad idea because it clutters the undiffused category.

I encourage you to read through Wikipedia:Categorization to get a better idea of Wikipedia's guidelines of categorization. After reading it, you should review your edits involving categories and categorization and undo or modify them to comply with Wikipedia's guidelines of categorization. If the number of edits pertaining to categorization is too numerous for you to be able to review all of them alone, you may seek help from other Wikipedians. Please be aware that while having to review your edits and possibly having some of your edits be undone may seem punitive, it is not meant to be a punishment but instead is only done in the interest of improving Wikipedia as an encyclopedia. Care to differ or discuss with me? The N^th User 00:07, 20 April 2019 (UTC)

:{{ping|The Nth User}} The categorisation in chemistry in en:wp is in general very split up, looks more like an chaotic net und has a poor systematisation. We found in de:wp a more systematic way witch is more similar to a pedigree-chart. In this example we start with :de:Kategorie:Sauerstoffverbindung <--> :Category:Oxygen compounds. All subcategories as oxyanions, Transition metal oxoacids, Transition metal compounds, (Transition metal dichalcogenides, Dichalcogenides in other branches), etc. could be deleted. Even we don't use i.e. :Category:Oxidizing agents because this could depend on personal decision. Not any subgroup is worth to generate a category. These are my first opinions and I'll continue with further examples JWBE (talk) 18:09, 21 April 2019 (UTC)

::That may be the case on the German Wikipedia, but the English Wikipedia has its own categorization system that you, along with all other English Wikipedia editors, are expected to observe when editing the English Wikipedia. (I didn't know about the standard initially either; see User_talk:The_Nth_User#Help_me_with_child_categories!.) Also, I looked at the category you listed (using [https://translate.googleusercontent.com/translate_c?depth=1&rurl=translate.google.com&sl=de&sp=nmt4&tl=en&u=https://de.wikipedia.org/wiki/Kategorie:Sauerstoffverbindung&xid=17259,15700002,15700021,15700186,15700191,15700253,15700256,15700259&usg=ALkJrhgfjj7Zdvc8mszne_I3QfiNGr86uw Google Translate]), and based off of that category, the German Wikipedia appears to also employ the principle of an article not needing to be in a given category if it is already in a child category. For example, de:Kategorie:Perchlorat (Category:Perchlorate) is a subcategory of de:Kategorie:Sauerstoffverbindung (Category:Oxygen compound), and de:Ammoniumperchlorat (Ammonium perchlorate) is a member of de:Kategorie:Perchlorat (Category:Perchlorate) but not de:Kategorie:Sauerstoffverbindung (Category:Oxygen compound). Also, the number of pages in de:Kategorie:Phosphorsäureester (Category:Phosphoric acid ester) (117 pages) and de:Kategorie:Sulfat (Category:Sulfate) (83 pages) is more than the number of pages in de:Kategorie:Sauerstoffverbindung (Category:Oxygen compound) (195 pages).

::Also, when using pings, one must add one's signature in the same edit that one adds the ping in order for the ping to work. Care to differ or discuss with me? The N^th User 01:09, 22 April 2019 (UTC)

:I'm still waiting for a response. Contesting the speedy deletion of :Category:Transition metal oxyanions (or by now, asking for it to be recreated) without your okaying it implies that your rationale for clearing the category was flawed, which I do not want to have to do because of that reason. Care to differ or discuss with me? The N^th User 23:29, 9 May 2019 (UTC)

::The deletion of :Category:Transition metal oxyanions is OK. JWBE (talk) 08:35, 14 May 2019 (UTC)

:::I think that you're confused. I want the category to remain. What you did, unilaterally clearing a category and having it marked for speedy deletion instead of proposing it for deletion at Wikipedia:Categories for deletion, bypasses discussion and consensus. You can either agree to let the category be revived now (which wouldn't prevent you from starting a discussion for its deletion afterwards), or I will start a formal discussion in Wikipedia:Categories for Discussion for bringing the category back. Care to differ or discuss with me? The N^th User 20:47, 14 May 2019 (UTC)

::::[https://en.wikipedia.org/w/index.php?title=Wikipedia:Categories_for_discussion/Log/2019_May_20&diff=prev&oldid=897887018#Category:Transition_metal_oxyanions I have started a discussion in Wikipedia:Categories for discussion for bringing the category back.] You may comment on it if you want to. Care to differ or discuss with me? The N^th User 00:52, 20 May 2019 (UTC)

:If you won't expect further articles, it is quite OK. On the other hand :Category:Halites could be deleted. JWBE (talk) 11:08, 21 April 2019 (UTC)

::I created :Category:Halites, along with the other subcategories of :Category:Halogen oxyanions, to organize :Category:Halogen oxyanions further; if you believe that they are unnecessary, you may propose them for deletion at Wikipedia:Categories for discussion.

::Also, while I think you for replying to the CfD notification here, it is prefferable to do so at Wikipedia:Categories for discussion/Log/2019 April 20#Category:Iodites, where the discussion is taking place. Is it okay if I copy your reply to there (or do you want to do it?)? Care to differ or discuss with me? The N^th User 01:09, 22 April 2019 (UTC)

:::OK so far JWBE (talk) 08:35, 14 May 2019 (UTC)

Hi there, why are these articles like Diphenylacetylene being relabeled as alkyne derivatives. Ph₂C₂ is an alkyne, its not a derivative of an alkyne. So far as I know.--Smokefoot (talk) 11:10, 14 May 2019 (UTC)

:Just looks into Alkynes and please just think of the classical definition of alkynes: Hydrocarbon, one C-C triple-bond and CnH2n-2. I think that could be found in all standard chemistry books. And I prefer to go with the exact classical definitions. All other hetero atoms and groups are excluded. And I expect the same by filling categories. I'd like to follow chemical nomenclature as close as possible. JWBE (talk) 11:18, 14 May 2019 (UTC)

::That approach is controversial. I recommend asking around.--Smokefoot (talk) 12:03, 14 May 2019 (UTC)

Would you like to help me diffuse :Category:Alcohols into :Category:Primary alcohols, :Category:Secondary alcohols, and :Category:Tertiary alcohols? I'm going to be busy in real life for a few weeks, and I know that you like to subcategorize chemistry-related articles in general, so I figured that you'd be willing to help. [https://en.wikipedia.org/w/index.php?title=Special:Contributions/The_Nth_User&dir=prev&offset=20190528041452&limit=27&target=The+Nth+User I've already started the work.] You may ask other users for assistance if you want. Also, if you accept, remember that compounds with multiple hydroxyl groups might fall into multiple categories. Thank you. Care to differ or discuss with me? The N^th User 04:43, 28 May 2019 (UTC)

: I have started to do so JWBE (talk) 22:07, 1 June 2019 (UTC)

::I have seen. Thank you, and keep up the good work. Care to differ or discuss with me? The N^th User 21:57, 2 June 2019 (UTC)

::I noticed that while for the most part, you're helping to diffuse :Category:Alcohols, there are [https://en.wikipedia.org/w/index.php?title=Special:Contributions/JWBE&offset=20190602081107&limit=3&target=JWBE a few pages that you added] to subcategories of :Category:Alcohols, like :Category:Secondary alcohols, when they were already in subcategories of the category that you added, like :Category:Phenols. When I your help to diffuse :Category:Alcohols into :Category:Primary alcohols, :Category:Secondary alcohols, and :Category:Tertiary alcohols, I assumed that those would be the only applicable categories because more specific types of alcohols…say, phenols… already seem to be well-categoried; however, if you see any pages that would fit into more specific categories, by all means, add them to the more specific categories instead, [https://en.wikipedia.org/w/index.php?title=Special:Contributions/The_Nth_User&offset=20190603020659&limit=2&target=The+Nth+User as I have done]. Thank you.

::Also, keep in mind that if you see that a lot of pages have a common chemical substructure, you can create a category for it. When going back through your recent edits (to catch anything like categorizing a page both in :Category:Secondary alcohols and :Category:Phenols), I noticed that [https://en.wikipedia.org/w/index.php?title=Special:Contributions/JWBE&offset=20190603132714&limit=56&target=JWBE the vast majority of these pages] have one of two specific chemical substructures involving a phenyl group, so I made a couple of subcategories, :Category:Phenylethanolamines and :Category:N-isopropyl-phenoxypropanolamines, for them. There are probably more pages earlier that fit into those categories, but I ran out of time for tonight. I encourage you to create more categories like these in the future when appropriate. Remember: We don't want to have to diffuse :Category:Secondary alcohols next. (It's better now, but it had over 300 members recently.) Once again, thank you. Care to differ or discuss with me? The N^th User 02:39, 4 June 2019 (UTC)

I just created :Category:Phenylpiperazines, and I would appreciate your help in filling it. I'd like you to add all of the phenylpiperazine derivatives listed at Phenylpiperazine to the category except for those that belong in subcategories. (I've only created one subcategory, :Category:Eltoprazines, but if you notice that five or so of the pages that you add to the category have a further similarity in their chemical structures, please create a subcategory for them.) The pages are all listed there; you just need to add them. Thank you. Care to differ or discuss with me? The N^th User 00:04, 23 July 2019 (UTC)

I noticed that you've undone a few of my edits that I would like to discuss with you. For [https://en.wikipedia.org/w/index.php?title=4-Hydroxynonenal&diff=prev&oldid=901633811] and [https://en.wikipedia.org/w/index.php?title=Mesityl_oxide&diff=prev&oldid=906738569], the compounds actually are enones because the carbon-carbon double bond is next to (and therefore conjugated to) the carbon-oxygen double bond. Is it okay if I move them back? Also, I noticed that you removed two pages from :Category:Pyrogallols with [https://en.wikipedia.org/w/index.php?title=1,2,3,5-Tetrahydroxybenzene&diff=904609926&oldid=876229287] and [https://en.wikipedia.org/w/index.php?title=Octahydroxyanthraquinone&diff=904609773&oldid=904581371] and that you removed :Category:Pyrogallols from :Category:Catechols and :Category:Resorcinols with [https://en.wikipedia.org/w/index.php?title=Category:Pyrogallols&diff=904610046&oldid=900018117]. I don't think that adding a hydroxyl group to a compound that is already a pyrogallol, catechol, etc… would make it stop being that type of compound. For example, Orsellinic acid and 2,4-Dihydroxybenzoic acid are categorized in :Category:Salicylic acids. (By the way, thank you for populating :Category:Phenylpiperazines for me. Thanks to you, I was able to spend more time diffusing :Category:Phenol ethers.) Care to differ or discuss with me? The N^th User 17:39, 24 July 2019 (UTC)

:Its not a godd idea to categorize any Trihydroxybenzene as a child of an Dihydroxybenzene. Tetrahydroxybenzene is the same. They are brothers/sisters not childs

:And its even the same bad idea to put Orsellinic acid and 2,4-Dihydroxybenzoic acid in :Category:Salicylic acids.

:Regards JWBE (talk) 18:24, 26 July 2019 (UTC)

::I'm not the one who categorized them that way. My point is that based on the fact that they are categorized like that, Wikipedia consensus apparently agrees with me. Care to differ or discuss with me? The N^th User 00:38, 27 July 2019 (UTC)

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A tag has been placed on :Category:Salt of carboxylic acids requesting that it be speedily deleted from Wikipedia. This has been done under section C1 of the criteria for speedy deletion, because the category has been empty for seven days or more and is not a disambiguation category, a category redirect, a featured topics category, under discussion at Categories for discussion, or a project category that by its nature may become empty on occasion.

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:{{Ping|Liz}} It was a typo, so it could be deleted. Kind Regards JWBE (talk) 21:26, 26 January 2021 (UTC)

An article you recently created, Chloromethyl group, is not suitable as written to remain published. It needs more citations from reliable, independent sources. (?) Information that can't be referenced should be removed (verifiability is of central importance on Wikipedia). I've moved your draft to draftspace (with a prefix of "Draft:" before the article title) where you can incubate the article with minimal disruption. When you feel the article meets Wikipedia's general notability guideline and thus is ready for mainspace, please click on the "Submit your draft for review!" button at the top of the page. ... discospinster _talk 03:29, 5 March 2021 (UTC)

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A tag has been placed on :Category:Delta-lactams indicating that it is currently empty, and is not a disambiguation category, a category redirect, a featured topics category, under discussion at Categories for discussion, or a project category that by its nature may become empty on occasion. If it remains empty for seven days or more, it may be deleted under section C1 of the criteria for speedy deletion.

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:Hello, JWBE,

:Marking an empty category as an empty category is not "vandalism". You are also not supposed to remove a speedy deletion tag from a page you created. That's disruptive editing. Liz ^{Read! Talk!} 15:18, 4 August 2021 (UTC)

::Making speedy deletion nominations within 24 h is unfriendly and disturbs filling it. Overheated ambitions are not helpful. JWBE (talk) 15:54, 4 August 2021 (UTC)

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If you think this page should not be deleted for this reason you may contest the nomination by visiting the page and clicking the button labelled "Contest this speedy deletion". This will give you the opportunity to explain why you believe the page should not be deleted. Please do not remove the speedy deletion tag from the page yourself. Liz ^{Read! Talk!} 15:15, 4 August 2021 (UTC)

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A lot of the articles you have made about groups of chemicals have plural titles (e.g. Octynes) but when there is no ambiguity possible, just a heads up that groups of chemicals usually have singular titles. This is being discussed at Talk:Diisopropylbenzenes#Requested move 19 October 2023 and most of them have been moved to articles with singular titles if you want to edit your user page to reflect that. Michael7604 (talk) 00:56, 23 October 2023 (UTC)

I noticed that you've been editing some health-related articles recently. It looks like your interests are more closely related to Wikipedia:WikiProject Chemistry, but I wanted to say that a bunch of us hang out at Wikipedia talk:WikiProject Medicine. It's a good place to ask questions about good sources for medical content and appropriate writing style if you ever need help (or could help us!). Please consider putting the page on your watchlist, or stop by to say hello some time. WhatamIdoing (talk) 19:18, 16 January 2024 (UTC)

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Inorganic and organic chemists do not use IUPAC in this case. Chemists should be consulted before making such a move. --Smokefoot (talk) 16:46, 13 June 2024 (UTC)

:Ferricyanide and ferrocyanide are so old fashioned, that this is not only a IUPAC question. Regards JWBE (talk) 16:52, 13 June 2024 (UTC)

::Ask a chemist, you'll get a different answer!--Smokefoot (talk) 17:07, 13 June 2024 (UTC)

:::I am a PhD chemist and very familiar with correct naming. Feel glad that I am doing the last harmonizations. Regards JWBE (talk) 17:13, 13 June 2024 (UTC)

::::Yes, I can see that youre a chemist and an experienced editor, so it is perplexing to me that this change is being done so unilaterally? We all want to help the field move along, and help Wiki-Chem, but this change seems premature. I checked by searching the Journal of the American Chemical Society. Search term "Ferricyanide" (2024-2023). DOI's:

10.1021/jacs.4c00875

10.1021/jacs.3c14186

10.1021/jacs.3c13828

10.1021/jacs.3c11451

10.1021/jacs.3c12783

10.1021/jacs.3c14545

10.1021/jacs.3c10454

10.1021/jacs.3c12913

10.1021/jacs.3c13674

10.1021/jacs.3c11887

10.1021/jacs.3c11517

10.1021/jacs.3c10199

10.1021/jacs.3c10145

10.1021/jacs.3c04250

10.1021/jacs.3c02577

10.1021/jacs.3c02033

10.1021/jacs.3c00442

10.1021/jacs.2c11683

10.1021/jacs.2c12617

10.1021/jacs.2c12497

10.1021/jacs.2c13126

Now, I only spot checked a few for "ferricyanide", but assume that the search tool works ok. Then, I used the Search term "Hexacyanido". Zilch. Zilch for 2024-2023, Zilch for all time. You also might check. https://pubs.acs.org/toc/jacsat/0/0. --Smokefoot (talk) 18:12, 13 June 2024 (UTC)

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I noticed that you [https://en.wikipedia.org/w/index.php?title=2%2C3-Dichlorophenylpiperazine&diff=1250911382&oldid=1250362563 manually reversed] my [https://en.wikipedia.org/w/index.php?title=2,3-Dichlorophenylpiperazine&diff=prev&oldid=1250362563 moving 2,3-Dichlorophenylpiperazine] from :Category:1-Piperazinyl compounds to :Category:meta-Chlorophenylpiperazines; is there a particular reason why you don't want that page in :Category:meta-Chlorophenylpiperazines? Its chemical structure does satisfy the structure of a meta-chlorophenylpiperazine (as well as the structure of a ortho-chlorophenylpiperazine), and while 2,3-Dichlorophenylpiperazine was already in :Category:2,3-Dichlorophenylpiperazines, which is a subcategory of :Category:meta-Chlorophenylpiperazines, and categorization of a page in both a category and a subcategory is normally discouraged as redundant, that does not apply in this case due to Wikipedia's policy on eponymous categories because the category :Category:meta-Chlorophenylpiperazines is relevant to the category :Category:2,3-Dichlorophenylpiperazines (because any molecule satisfying the structural requirements to count as a 2,3-dichlorophenylpiperazine also satisfies the structural requirements to count as a meta-chlorophenylpiperazine). Even without this policy, replacing :Category:meta-Chlorophenylpiperazines with :Category:1-Piperazinyl compounds would still seem to go against categorization policy because :Category:1-Piperazinyl compounds is a grandchild category of :Category:2,3-Dichlorophenylpiperazines, which 2,3-Dichlorophenylpiperazine is already in. Is there some reason that I am not seeing for why you think that 2,3-Dichlorophenylpiperazine should be in :Category:1-Piperazinyl compounds but not :Category:meta-Chlorophenylpiperazines, or may I undo your change? Care to differ or discuss with me? The N^th User 16:56, 17 October 2024 (UTC)

:In example :Category:1-Piperazinyl compounds is strictly exclusive, so its not allowed to add any further substitutes to it. This property has to be kept by its childs, grandchilds and so on. So only Meta-Chlorophenylpiperazine itself is in this case a valid child. 1-(3-Chlorophenyl)-4-(2-phenylethyl)piperazine is not valid. So avoid weakening this restrictions. JWBE (talk) 13:17, 18 October 2024 (UTC)

:I have corrected :Category:2,3-Dichlorophenylpiperazines to the more common cats, also 1-(3-Chlorophenyl)-4-(2-phenylethyl)piperazine. Avoid any changes of my work. Just accept that I am doing right. JWBE (talk) 13:37, 18 October 2024 (UTC)

::I was unaware that :Category:1-Piperazinyl compounds was exclusive in this way; thank you for informing me of this. How I intended :Category:meta-Chlorophenylpiperazines is that anything with that as a substructure would fit into the category, not that it had to fit as a subcategory of :Category:1-Piperazinyl compounds with the restriction that you just informed me of, so my solution would be to make it no longer a subcategory of :Category:1-Piperazinyl compounds, not to remove all but one of its members. If I remove :Category:1-Piperazinyl compounds as a parent category, may I restore the former members? Care to differ or discuss with me? The N^th User 04:47, 20 October 2024 (UTC)

30px

The redirect [//en.wikipedia.org/w/index.php?title=Virostatics&redirect=no Virostatics] has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Anyone, including you, is welcome to comment on this redirect at {{section link|1=Wikipedia:Redirects for discussion/Log/2025 April 3#Virostatics}} until a consensus is reached. 1234qwer1234qwer4 11:34, 3 April 2025 (UTC)

Thank you for your contributions to chemistry-related articles. I noticed your recent edits involving changes to chemical categories, particularly the replacement of :Category:2-Aminopyridines with :Category:Disubstituted pyridines.

I wanted to kindly ask that before making potentially controversial or sweeping changes to chemical categorization, you initiate a discussion on the WikiProject Chemistry talk page. Category structures in chemistry can be nuanced, and changes like these can have broader implications for article organization and navigation. Specifically, in this case, I don't this change was helpful for the following reasons:

• Specificity: "2-Aminopyridines" refers specifically to pyridine derivatives with an amino group at the 2-position. This is a well-defined chemical class with unique properties and applications, especially in medicinal chemistry.{{cite journal | vauthors = Rao RN, Chanda K | title = 2-Aminopyridine - an unsung hero in drug discovery | journal = Chemical Communications | location = Cambridge, England | volume = 58 | issue = 3 | pages = 343–382 | date = January 2022 | pmid = 34904599 | doi = 10.1039/d1cc04602k | publication-place = Cambridge, England }}
• Disubstituted pyridines: "Disubstituted pyridines" is a much broader category that includes any pyridine molecule with two substituents, regardless of their identity or position. This could include compounds with two alkyl, halogen, or other functional groups, not just amino groups.
• Chemical and pharmacological relevance: 2-Aminopyridines are important as building blocks for pharmaceuticals and have distinct chemical reactivity due to the amino group at the 2-position. Disubstituted pyridines, in contrast, do not specify the nature or position of the substituents and thus do not convey this specificity.
• Organizational clarity: On Wikimedia Commons and related platforms, these categories are maintained separately to allow users to find images and information efficiently. For example, "Category:2-Aminopyridines" is a subcategory of "Category:Aminopyridines," not "Category:Disubstituted pyridines".

Looking forward to your input on the project page. Boghog (talk) 06:54, 15 June 2025 (UTC)

{{Reflist-talk}}

:Sorry, I have no access to this article. JWBE (talk) 07:36, 15 June 2025 (UTC)

:: The main point is not about that specific reference but more about the broader categorization issue. When it comes to changes in chemical categories, particularly those that affect how articles are grouped and navigated, it's really helpful to raise them at WT:CHEM first.

:: Would you be open to starting a thread on the WikiProject Chemistry talk page? That way, we can get wider input and agree on a consistent, chemically meaningful approach to categorization. Boghog (talk) 07:51, 15 June 2025 (UTC)

:::Today it is Sunday, and I want to do something different, so just wait ... JWBE (talk) 08:28, 15 June 2025 (UTC)

{{outdent}}

I have been patient and waited two days. Returning to the issue of replacing :Category:2-Aminopyridines with :Category:Disubstituted pyridines.

Before your re-categorization, the aminopyridine hierarchy looked like:

Category:Chemicals
└─ Category:Chemical compounds
└─ Category:Pyridines
└─ Category:Aminopyridines
├─ Category:2‑Aminopyridines (40 examples)
│  └─ 2‑Aminopyridine (parent article exits)
├─ Category:3‑Aminopyridines (9 examples)
│  └─ 3‑Aminopyridine  (parent article exits)
└─ Category:4‑Aminopyridines (7 examples)
└─ 4‑Aminopyridine  (parent article exits)

After your edits, it looked like

Category:Chemicals
└─ Category:Chemical compounds
└─ Category:Pyridines
├─ Category:Monosubstituted pyridines (e.g., 2‑, 3‑, 4‑Pyridyl compounds)
├─ Category:Disubstituted pyridines
├─ Category:Hydroxypyridines
└─ (other subcategories like Polypyridines, Bipyridines, etc.)

I would argue that the first categorization is preferable for the following reasons:

• Chemically specific: Clear classification based on position of functional group (important for structure–activity relationships).
• Direct: Easy to navigate from compound class to specific regiochemistry.
• Logical subcategorization: If many articles exist, subdividing by position is meaningful. I would agree that if there are very few examples for a specific category, then that category is not appropriate. However in the example of aminopyridines, there are at least 5 examples of each.
• In Wikipedia categorization, each category ideally corresponds to a navigable, encyclopedic topic (per WP:CATDEF). There are articles for 2-Aminopyridine, 3-Aminopyridine, and4-Aminopyridine. But there is no article titled or likely to exist for Disubstituted pyridines.

I'm happy to discuss this further if you see a compelling reason to favor the new structure. Boghog (talk) 18:48, 17 June 2025 (UTC)