申请人:Yuhan Corporation
公开号:US06352993B1
公开(公告)日:2002-03-05
The present invention relates to novel pyrimidine derivatives of formula (I) or pharmaceutically acceptable salts thereof which possess an excellent anti-secretory activity, pharmaceutical compositions containing the same as an active ingredient, their novel intermediates, and processes for the preparation thereof wherein: when A is piperidin-1-yl or —NH—B, wherein B is C3-C4 alkyl, C3-C4 alkenyl, C3-C7 cycloalkyl, C1-C3 alkoxyethyl, phenylethl which may be substituted or unsubstituted, 3-trifluoromethylphenylmethyl, 1-naphthylmethyl, 4-methylthiazol-2-yl or 4-phenylthiazol-2-yl, R1 is hydrogen or methyl; and R2, R3, R4 and R5 are hydrogen; or when A is a group of formula (II); when R1 is hydroxymethyl or C1-C3 alkoxymethyl, R2, R3, R4, R5 and R6 are hydrogen; and R7 is hydrogen or halogen; or when R1 is hydrogen or methyl, R7 is hydrogen or halogen; and one or two of R2, R3, R4, R5 and R6 is hydroxy, methoxy, or a group of formula (III) wherein Z is C1-C4 alkyl, substituted or unsubstituted C1-C4 alkenyl, cyloalkyl, benzyloxyalkyl, alkoxycarbonylalkyl, morpholinomethyl, piperidinomethyl, 4-substituted-piperazinomethyl, substituted or unsubstituted phenyl, naphthyl, substituted or unsubstituted benzyl, thiophen-2-yl-methyl, 1-substituted-pyrrolidin-2-yl or —CHR8NHR9, wherein R8 is hydrogen, methyl, isopropyl, benzyl, benzyloxymethyl, methylthioethyl, benzyloxycarbonylmethyl, carbamolymethyl, carbamoylethyl, or 1-benzylimidazol-4-ylmethyl and R9 is hydrogen or t-butoxycarbonyl; and the others are hydrogen or methyl.
本发明涉及具有优异抗分泌活性的新型嘧啶衍生物的化学式(I)或其药学上可接受的盐,以及含有其作为活性成分的药物组合物,其新型中间体,以及其制备方法,其中:当A为哌啶-1-基或-NH-B时,其中B为C3-C4烷基,C3-C4烯基,C3-C7环烷基,C1-C3烷氧乙基,苯乙基,可以是取代或未取代的,3-三氟甲基苯甲基,1-萘甲基,4-甲基噻唑-2-基或4-苯基噻唑-2-基,R1为氢或甲基;而R2、R3、R4和R5为氢;或当A为化学式(II)的基团时;当R1为羟甲基或C1-C3烷氧甲基,R2、R3、R4、R5和R6为氢;而R7为氢或卤素;或当R1为氢或甲基,R7为氢或卤素;且R2、R3、R4、R5和R6中的一个或两个为羟基,甲氧基,或化学式(III)的基团,其中Z为C1-C4烷基,取代或未取代的C1-C4烯基,环烷基,苄氧基烷基,烷氧羰基烷基,吗啉甲基,哌啶甲基,4-取代哌嗪甲基,取代或未取代的苯基,萘基,取代或未取代的苄基,噻吩-2-基-甲基,1-取代吡咯啉-2-基或-NHR9,其中R8为氢,甲基,异丙基,苄基,苄氧甲基,甲硫乙基,苄氧羰基甲基,氨基甲基,氨基乙基,或1-苄基咪唑-4-基甲基,而R9为氢或叔丁氧羰基;其他为氢或甲基。