Claims for Patent: 3,959,322

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Summary for Patent: 3,959,322

Title:	Synthesis of 13-alkyl-gon-4-ones
Abstract:	The preparation of 13-methylgon-4-enes and novel 13-polycarbonalkylgon-4-enes by a new total synthesis is described. 13-Alkylgon-4-enes having progestational, anabolic and androgenic activities are prepared by forming a tetracylic gonane structure unsaturated in the 1,3,5(10),9(11) and 14-positions, selectively reducing in the B- and C-rings, and converting the aromatic A-ring compounds so-produced to gon-4-enes by Birch reduction and hydrolysis.
Inventor(s):	Gordon Alan Hughes, Herchel Smith
Assignee:	Individual
Application Number:	US04/388,820
Patent Claims:

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