Knowledge Center

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.

Also in the Knowledge Center

Related Content

Interview to the 3 Generations of the Villax Family

Summary of the interview to the Villax family at the B Corp Summer Summit 2017

Page
Read more

ASD-HIPROS

ASD-HIPROS, ËÄÉ«AV’s Intelligent Proprietary Screening, is the most advanced and accurate tool to identify Amorphous Solid Dispersion formulations by Spray Drying with maximum performance and stability.

Page
Read more

Drug Substance Manufacturing

We have an exceptional range of flexible manufacturing equipment to ensure availability and suitability for our customers’ manufacturing needs.

Page
Read more