tenual
{{Chembox
| IUPACName = 4-(hydroxymethyl)-6-methoxy-2-methyl-3-benzoxepine-5-carbaldehyde
| ImageFile = Tenual.png
|Section1={{Chembox Identifiers
| ChemSpiderID = 73952351
| PubChem = 14258969
| StdInChI=1S/C14H14O4/c1-9-6-10-4-3-5-12(17-2)14(10)11(7-15)13(8-16)18-9/h3-7,16H,8H2,1-2H3
| StdInChIKey = CREMPVZYABCSKM-UHFFFAOYSA-N
| SMILES = COc1cccc2c1C(C=O)=C(CO)OC(C)=C2
}}
|Section2={{Chembox Properties
|C=14|H=14|O=4
}}
|Section8={{Chembox Related
}}
}}
Tenual is a natural product derived from Asphodeline tenuior. It is a 3-benzoxepin derivative with methoxy, methyl, hydroxymethyl, and carbaldehyde side chains.{{cite journal |last1=Ulubelen |first1=Ayhan |last2=Tuzlaci |first2=Ertan |last3=Atilan |first3=Nur |title=Oxepine derivatives and anthraquinones from Asphodeline tenuior and A. Taurica |journal=Phytochemistry |date=January 1989 |volume=28 |issue=2 |pages=649–650 |doi=10.1016/0031-9422(89)80076-7|bibcode=1989PChem..28..649U }}{{cite journal |last1=von Angerer |first1=S. |title=Category 2, Hetarenes and Related Ring Systems: Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles |journal=Science of Synthesis |date=2004 |volume=4 |page=653 |doi=10.1055/sos-SD-017-00991}}