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Synthesis of (24R)-3β-chloro-7α-bromo-5-hydroxy-5α-stigmastan-6-one and study of its dehydrohalogenation products

✍ Scribed by N. V. Kovganko; S. N. Sokolov

Publisher
Springer
Year
1999
Tongue
English
Weight
274 KB
Volume
35
Category
Article
ISSN
0009-3130

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Crystal structure of 3β-benzoyloxy-6α-ch
Crystal structure of 3β-benzoyloxy-6α-chloro-5α-cholest-7-ene, a key intermediate in the chemical synthesis of 5α-cholest-8(14)-en-3β-ol-15-one
✍ David K. Wilson; William K. Wilson; Florante A. Quiocho; George J. Schroepfer Jr 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 441 KB

The X-ray crystal structure of 3~-benzoyloxy-6a-chloro-5a-cholest-7-ene (IV) was determined by the heavy atom method and ref'med to R ---0.063 (space group P2s, a --11.364, b = 11.089, c --12.232,/~ = 99.43 °, Z ---2). IV was previously shown to be an important intermediate in the acid-catalyzed iso