Process for synthesizing estrone or estrone derivatives

Details Process for synthesizing estrone or estrone derivatives Process for synthesizing estrone or estrone derivatives

1981-04-10

1982-11-02

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560122, 568314, 568315, 568330, C07J 100

Patent

active

043572782

ABSTRACT:
What are disclosed are a multi-step synthesis for the preparation of 9(11)-dehydroestrone 3-methyl ether from 2-methyl,4-methoxy benzaldehyde; 1-(4-methoxy-2-methyl-(phenyl)-3-(1-methyl-2-oxo-5-t-vinyl-cyclopent-r-yl) -propane-1-one, an intermediate in said synthesis; and a method for the preparation of 3-vinylcyclopentanone from 2-vinylcyclopropane-1,1-dicarboxylic acid.

REFERENCES:
patent: 4029648 (1977-06-01), Ponsold et al.
Chem. Abstr. 75, 77122x, (1971).
J. Am. Chem. Soc. 99, 3461-3466, (1977).
Chemical Abstracts, vol. 75, (1971, Pars 77,122x.

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