Method for suppressing an immunoresponse with an estradiol deriv

Details Method for suppressing an immunoresponse with an estradiol deriv Method for suppressing an immunoresponse with an estradiol deriv

1995-05-15

1996-11-26

Prior, Kimberly J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

514179, 514180, 514181, 514182, A61K 3156

Patent

active

055785891

ABSTRACT:
The invention is drawn to a method for suppressing an immunoresponse in animals by administering an estradiol derivative-chlorambucil conjugate of the formula (I): ##STR1## wherein R.sup.1 is alkyl or alkoxyl of 1 to 4 carbon atoms; R.sup.2 is acyl, dansyl, or alkyl; R.sup.3, R.sup.4, and R.sup.5 independently are H, oxo, OH, or acyloxy; m is an integer of 1 to 3; and n is an integer of 0 to 3; provided that when n is 0, all of R.sup.3, R.sup.4, and R.sup.5 are not H at the same time, and at least one of R.sup.3, R.sup.4, and R.sup.5 is a group other than H and OH; and further, when n is 2 or 3, the groups R.sup.1 are the same or different.

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