Synthesis of A-ring aromatic steroids

Details Synthesis of A-ring aromatic steroids Synthesis of A-ring aromatic steroids

1974-09-30

1976-01-20

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603974, C07J 900, C07J 100

Patent

active

039338703

ABSTRACT:
Total synthesis of steroids of the estrone and equilenin series involving conjugate 1,4-addition of a meta-substituted benzyl organometallic reagent to a C/D bicyclic methylene ketone. An aromatization of the B-ring of .DELTA. 9(11) estrone derivatives.

REFERENCES:
patent: 3475468 (1969-10-01), Stein et al.
patent: 3707490 (1972-12-01), Edwards et al.
patent: 3856864 (1974-12-01), Cohen

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