Inventors:
David R. Borcherding - Loveland OH
Carl K. Edwards - Superior CO
Ronald E. Esser - Berkeley Heights NJ
Douglas L. Cole - San Diego CA
Assignee:
Hoechst Marion Roussel, Inc. - Cincinnati OH
International Classification:
C07D47334, C07D47316, C07D47104, A61K 3144
Abstract:
This invention relates to novel Trans cyclopentanyl purine analogs of the formula (1) ##STR1## wherein the substituent in the 3-position on the cyclopentanyl ring is in the Trans configuration relative to the bicyclic substituent, Y. sub. 3 and Y. sub. 8 are CH, Y. sub. 5, Y. sub. 7 and Y. sub. 9 are each independently nitrogen,
R is a hydrogen, a C. sub. 1 -C. sub. 7 alkyl acyl or aryl acyl,
Q is NH. sub. 2, halogen or hydrogen,
Z is hydrogen, halogen, or NH. sub. 2 ;
or a pharmaceutically-acceptable salt thereof, and to their use as immunosuppressants.