Pregnenedione

{{Distinguish|pregnenolone|pregneninolone}}

A pregnenedione (singular pregnanediol) is an unsaturated diketone derivative of a pregnane.{{MeshName|Pregnenediones}} Examples are budesonide and progesterone (pregn-4-ene-3,20-dione).{{Cite journal |last1=Bratoeff |first1=Eugene |last2=Ramírez |first2=Elena |last3=Flores |first3=Eugenio |last4=Valencia |first4=Norma |last5=Sánchez |first5=Mauricio |last6=Heuze |first6=Ivonne |last7=Cabeza |first7=Marisa |date=October 2003 |title=Molecular interactions of new pregnenedione derivatives |journal=Chemical & Pharmaceutical Bulletin |volume=51 |issue=10 |pages=1132–1136 |doi=10.1248/cpb.51.1132 |issn=0009-2363 |pmid=14519916|doi-access=free }}{{Cite journal |last1=Bratoeff |first1=Eugene |last2=Ramírez |first2=Elena |last3=Flores |first3=Eugenio |last4=Valencia |first4=Norma |last5=Sánchez |first5=Mauricio |last6=Heuze |first6=Ivonne |last7=Cabeza |first7=Marisa |date=2003 |title=Molecular Interactions of New Pregnenedione Derivatives |url=https://www.jstage.jst.go.jp/article/cpb/51/10/51_10_1132/_article |journal=Chemical and Pharmaceutical Bulletin |volume=51 |issue=10 |pages=1132–1136 |doi=10.1248/cpb.51.1132|pmid=14519916 |doi-access=free }}