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Conversion of cholic acid to methyl 3α-carbethoxy-12α-acetoxy-6-oxo-5β-chol-7-en-24-oate

✍ Scribed by Sean P. Masterson; Thomas A. Miller; Bahman E. Nassim

Book ID
117213580
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
90 KB
Volume
68
Category
Article
ISSN
0039-128X

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Partial synthesis of a marine secosterol from Gersemia fruticosa: Preparation of the intermediate precursor 3β,6α-diacetoxy-24-methyl-12-oxo-5α-chol-9,11-en-24-oate
✍ Alexander Kuhl; Wolfgang Kreiser 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 207 KB

The conversion ofdesoxycholic acid (2) into the title compound 14 by 13 respectively 17 steps is described herein, including stereoselective construction of C-3 and C-6 hydroxy moieties and introduction of a A 9"lj double bond by dehydrogenation. 14 is believed to serve as a putative precursor for t