Intermediates for steroid synthesis

Details Intermediates for steroid synthesis Intermediates for steroid synthesis

1979-08-30

1981-05-12

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

2603459R, 560256, C07C 49633, C07C 49637

Patent

active

042673771

ABSTRACT:
A compound of the general formula: ##STR1## wherein R.sup.1 is a lower alkyl group; R.sup.2 is H or a lower alkyl group; Y is an oxo group, H or an unprotected or protected hydroxyl group; X is a methylene or ethylene group, for example, 7,7a-dihydro-7aS-methyl-4-(3-butenyl)-1-tert. butoxy-5(6H)-indanone, which is an intermediate for steroids, is prepared by dehydrative cyclization of a compound of the general formula of ##STR2## wherein R.sup.1, R.sup.2, X and Y are the same as above.

REFERENCES:
patent: 3816536 (1974-06-01), Eder et al.
Houdewind, P. et al., Tetrahedron Letters, No. 27, pp. 2359-2362, (1974).

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