Process for producing 7ଲ-substituted-aza-5댚ndrostan-3-ones
Patent 5237064 Issued on August 17, 1993. Estimated Expiration Date: May 20, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
546/14, Silicon containing540/2, Cyclopentanohydrophenanthrene ring system containing546/77The six-membered hetero ring shares ring members with one other cyclo only
Described is a new process for producing 7ଲ-substituted-4-aza-5-androstan-3-ones and related compounds which are 5-reductase inhibitors.
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May 20, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
