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Patent / Jan 01, 1973

16.beta.-Methyl-17.alpha.-hydroxypregna-1,4,9(11)-triene-3,20-dione

Authors:
  • Ivan Villax
Source:
US 3761498

Pregnatrienedione I was prepd. from pregnanone II by KBH4 redn. followed by successive dehydration, methylation, bromination, and debromination.

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