Compound Q&A
Are there alternatives to (11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione (CAS: 51333-05-2) in synthesis?
Answer
![(11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione](https://static.chemtradehub.com/structs/513/51333-05-2-1aa3.webp "(11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione")
Alternatives in synthesis for (11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione (CAS: 51333-05-2) include utilizing related compounds with similar functional groups or structural isomers. Common alternative reagents in synthesis might include acetic anhydride for the acetyloxy group or other dienes for the double bond. Consulting literature and databases will provide a comprehensive list of alternatives.
About
CAS No
51333-05-2
English Name
(11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione
Molecular Formula
C27H36O7
Molecular Weight
472.58 g/mol
SMILES
C[C@@]12[C@@]3(C(COC(C)=O)=O)[C@](OC(O3)CCC)([H])C[C@@]1([H])[C@]4([H])CCC5=CC(C=C[C@]5(C)[C@@]4([H])[C@@H](O)C2)=O
InChIKey
QZIYSFVNRMBENV-DKNRHPEFSA-N
Last Updated: 2025-12-29 06:24
![(11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione — ShenZhenZhenJiangShengWuJiShu Co Ltd](https://static.chemtradehub.com/suppliers/67cec9142b2de6e8e95a51e7/67cec9142b2de6e8e95a51e7-logo.webp){kind=logo}
![(11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione — Shanghai Jixiang Biotechnology Co., Ltd.](https://static.chemtradehub.com/suppliers/67ce6f4d2b2de6e8e95a45bf/67ce6f4d2b2de6e8e95a45bf-logo.webp){kind=logo}
![(11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione — Hubei Yangxin Pharmaceutical Technology Co., Ltd.](https://static.chemtradehub.com/suppliers/67cded3957537e5c8069af88/67cded3957537e5c8069af88-logo.webp){kind=logo}
![(11b,16a)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione — ShenZhenAiTaHuaXue Co Ltd](https://static.chemtradehub.com/suppliers/67ced0fb2b2de6e8e95a67fa/67ced0fb2b2de6e8e95a67fa-logo.webp){kind=logo}