Heterocyclic compounds of the formula: ##STR1## WHEREIN ONE OF Y and Z is CH, the other being N, A is a straight or branched saturated hydrocarbon chain from C.sub.2 to C.sub.6 inclusive, X is chlorine, hydroxy, alkoxy or alkylthio each from C.sub.1 to C.sub.5 inclusive, R is hydrogen, alkyl, hydroxyalkyl or dihydroxyalkyl each from C.sub.1 to C.sub.3 inclusive, R' is halogen, alkyl or alkoxy each from C.sub.1 to C.sub.3 inclusive and n is 0, 1 or 2. These compounds, their optical isomers and their physiologically tolerable salts are used as medicines especially in the treatment of central nervous system disorders.
A PROCESS FOR THE PREPARATION OF 9-(HYDROXYALKYL)-HYPOXANTHINES
申请人:CO PHARMA CORPORATION S.R.L.
公开号:EP0355085A1
公开(公告)日:1990-02-28
US4100286A
申请人:——
公开号:US4100286A
公开(公告)日:1978-07-11
[EN] A PROCESS FOR THE PREPARATION OF 9-(HYDROXYALKYL)-HYPOXANTHINES
申请人:CO PHARMA CORPORATION S.R.L.
公开号:WO1988005437A1
公开(公告)日:1988-07-28
(EN) A process for the preparation of 9-(hydroxyalkyl)-hypoxanthines of general formula (I), wherein R is hydrogen or a straight or branched C1-C10 alkyl group; R' is hydrogen or a straight or branched C1-C4 alkyl group; n is an integer 0 to 5, in which process a 5-amino-6-chloro-4-(hydroxylalkylamino)-pyrimidine of general formula (IV), wherein R, R' and n have the above-mentioned meanings, is reacted with formic acid.(FR) Procédé de préparation de 9-(hydroxyalkyl)-hypoxanthines de formule générale (I) dans laquelle R est un hydrogène ou un groupe alkyl C1-C10 à chaîne droite ou ramifiée, R' est un hydrogène ou un groupe alkyl C1-C4 à chaîne droite ou ramifiée; n est un nombre entier compris entre 0 et 5, procédé dans lequel une 5-amino-6-cloro-4(hydroxylalkylamino)-pyrimidine de formule générale (IV) dans laquelle R, R' et n ont la notation indiquée ci-dessus, est amenée à réagir avec de l'acide formique.
Stradi; Rossi; Perezzani, Il Farmaco, 1990, vol. 45, # 1, p. 39 - 47