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

Regulatory Affairs

Hovione has filings with every world health authority that has a DMF system for APIs including FDA EDQM PMDA,MHRA, HPRA, Infarmed among others.

Page
Read more

Hovione certified as a Top Employer in all of its manufacturing sites

Press Release / Jan 18, 2024
Article
View

Explore what we do

Hovione is a Contract Development and Manufacturing Company dedicated to helping Pharmaceutical Customers bring new and off-patent drugs to market.

Page
Read more