Process for the manufacture of spiro compounds of the steroid se

Details Process for the manufacture of spiro compounds of the steroid se Process for the manufacture of spiro compounds of the steroid se

1976-04-15

1977-10-18

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603975, 26039745, C07J 7100

Patent

active

040545636

ABSTRACT:
Compounds of the general formula ##STR1## wherein R.sub.1 represents a hydrogen atom or a lower alkyl group, which contain a double bond in 5-position and a methyl group in 10-position, or three double bonds in the position 1,3 and 5)10), and which can contain an additional double bond in the 9(11)-position, are manufactured by a novel process, in which a 17-oxosteroid of the general formula ##STR2## wherein R.sub.1 ' represents a hydrogen atom, a lower alkyl group or an acyl group, and which contains double bonds and optionally a methyl group in the positions indicated above, is reacted with an organometallic compound of the formula

REFERENCES:
patent: 3254074 (1966-05-01), Arth et al.
patent: 3364207 (1968-01-01), Brown
patent: 3798213 (1974-03-01), Arth

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