Method for preparing substituted 3,7-dihydroxy steroids

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United States of America Patent

PATENT NO 9802976
APP PUB NO 20160039863A1
SERIAL NO

14886738

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Abstract

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The invention relates to processes for preparing 17-alkynyl-7-hydroxy-steroids, such as 17-Ethynyl-10R,13S-dimethyl 2,3,4,7,8R,9S,10,11,12,13,14S,15,16,17-hexadecahydro-1H-cyclopenta[a]phenanthrene-3R,7R,17S-triol (also referred to as 17α-ethynyl-androst-5-ene-3β,7β,17β-triol), that are essentially free of process impurities having binding activity at nuclear estrogen receptors.

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Patent Owner(s)

  • NEURMEDIX, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ge, Yu San Diego, US 39 372
Huang, Yujin San Diego, US 12 42
White, Steven K San Diego, US 37 299

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