Hydantoin derivatives for treating complications of diabetes

Details Hydantoin derivatives for treating complications of diabetes Hydantoin derivatives for treating complications of diabetes

1989-05-23

1991-01-15

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31124

Patent

active

049855735

ABSTRACT:
Hydantoin derivatives and salts thereof, intermediates therefor, process for the preparation thereof, and medicines containing the derivative, wherein said derivatives have the formula ##STR1## wherein one of V and W is hydrogen and the other is a halogenomethyl group, 1H-tetrazol-5-yl radical, --COOR group, in which R is hydrogen atom, an alkyl group, --(CH.sub.2 CH.sub.2 O)nCH.sub.3 group (n is an integer of 1 to 113) or substituted phenyl, ##STR2## in which R.sub.1 and R.sub.2 are same or different independently, each is hydrogen atom, an alkyl group, substituted phenyl or --(CH.sub.2 CH.sub.2 O)nCH.sub.3 group (n has the meaning as referred to) or R.sub.1 may form a heterocyclic ring together with R.sub.2 and nitrogen or oxygen atom, ##STR3## in which R.sub.3 and R.sub.4 are same or different independently and each is hydrogen atom or an alkyl group,

REFERENCES:
patent: 4740517 (1988-04-01), Kurono et al.
Witiak et al., J. Med. Chem., 14, 758 (1971).
Ziegler et al., Liebigs Ann. Chem., 1973, 1552-1556.

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