ISSN:
1420-9071
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Summary Reduction of the ketal II of 7-keto-1,4-dimethoxy-4b-methyl-5, 6, 7, 9, 10-hexahydrophenanthrene with lithium in liquid ammonia furnishes a corresponding dihydro derivative, from which a tricyclic triketone, m.p. 121°, is obtained upon acid hydrolysis. This triketone is identical with the recently described antitrans-4b-methyl-1, 2, 3, 4, 4aα, 4b, 5, 6, 7, 9, 10, 10αβ-dodecahydro-phenanthrene-1, 4, 7-trione III and thus conforms to the stereochemistry of the natural steroids.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02160540
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