Thiochroman esters of phenols and terephthallates having retinoi

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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514863, 549 23, A61K 3138, C07D33506

Patent

active

050156586

ABSTRACT:
Compounds of formula I ##STR1## in which: the R groups are independently hydrogen or lower alkyl; one of A and B is O or S and the other is --C(O)--, A being attached to the thiochroman ring at the 6 or 7-position;

REFERENCES:
patent: 4788213 (1988-11-01), Klaus et al.
patent: 4895868 (1990-01-01), Chandraratna

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