[EN] CHLOROPYRIMIDE INTERMEDIATES<br/>[FR] INTERMEDIAIRES DE LA CHLOROPYRIMIDINE
申请人:THE WELLCOME FOUNDATION LIMITED
公开号:WO1995021161A1
公开(公告)日:1995-08-10
(EN) The present invention relates to certain novel pyrimidine intermediates and their salts, processes for their preparation and processes for their conversion to 9-substituted-2-aminopurines which are useful in medical therapy.(FR) L'invention porte sur de nouveaux intermédiaires de la pyrimidine et leurs sels, ainsi que sur leur procédé de préparation et de conversion en 2-aminopurines substituées en 9, qui s'avèrent utiles en thérapie médicale
The present invention relates to certain novel pyrimidine intermediates and their salts, processes for their preparation and processes for their conversion to 9-substituted-2-aminopurines which are useful in medical therapy.
Chloropyrimidine intermediates and processes for their preparation
申请人:Glaxo Wellcome Inc.
公开号:US06087501A1
公开(公告)日:2000-07-11
A process for the preparation of a compound of formula (III) ##STR1## by hydrolyzing a compound of formula (I) or (II) ##STR2## wherein R.sup.1 and R.sup.2, which may be the same or different, are selected from C.sub.1-8 alkyl, C.sub.3-8 cycloalkyl, and optionally substituted aryl, in the presence of acid at a pH above 2.0.