Burroughs Wellcome Co.

Norman Whittaker

Albert G Caldwell

Hydantoins of formula (I) ##STR1## have biological properties related to those of naturally occurring prostaglandins and may be used in medicine, for example in the treatment of thrombosis.

Hydantoin derivatives and pharmaceutical use

Hydantoin derivatives, pharmaceutical compounds and methods of use

1,3,6-Trisubstituted piperazine-2,5-diones having biological properties related to those of the natural prostaglandins, their synthesis, compositions containing them, and their use in medicine.

Nitrogen heterocycles

Hydantoins of formula (I) ##STR1## ps have biological properties related to those of naturally occurring prostaglandins and may be used in medicine, for example in the treatment of thrombosis.

Hydantoins and N-alkylhydantoins of formula (I) ##STR1## have biological properties related to those of naturally occurring prostaglandins and maybe used in medicine, for example in the treatment of thrombosis.

Growing community of inventors

Beckenham, United Kingdom

Norman Whittaker