11 beta-substituted-19 nor-steroids

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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540 96, 552626, 552629, 552646, C07J 100, C07J 4300

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active

056797885

ABSTRACT:
Intermediate compounds of a formula selected from the group consisting of ##STR1## which are useful intermediates for the preparation of final products of the formula ##STR2## wherein the substituents are defined in the specification.

REFERENCES:
patent: 4547493 (1985-10-01), Teutsch et al.
patent: 4943566 (1990-07-01), Nedelec et al.
patent: 5556845 (1996-09-01), Nique et al.

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