申请人:Zambon Group S.p.A
公开号:US20040043999A1
公开(公告)日:2004-03-04
A process for preparing a compound of formula I:
1
wherein
G is methylene, ethylene, CONH, amino or a bond;
R is H, phenyl or a (C
1-4
)alkyl group optionally substituted by phenyl;
Cy is phenyl or a 5- or 6-membered heterocycle of the group consisting of pyrrole, imidazole, pyrazole, pyrrolidine, pyrroline, imidazoline, imidazolidine, pyrazolidine, pyrazoline, pyridine, pyrazine, pyrimidine, pyridazine, piperazine, piperidine, and triazine, the Cy residue being optionally substituted by one or more substituent(s) selected from the group consisting of keto, nitro, carboxy, fluorine, chlorine, bromine, or iodine;
R
1
is a (C
1-6
)alkyl or polyfluoro(C
1-6
)alkyl group; and
R
2
is aryl, aryl-(C
1-10
)-alkyl, (C
4-7
)cycloalkyl or (C
4-7
)heterocycle wherein the heteroatom is an oxygen atom.
一种制备化合物I的方法:其中,G为亚甲基,乙烯基,CONH,氨基或键;R为氢,苯基或(C1-4)烷基,可选地被苯基取代;Cy为苯基或由吡咯,咪唑,吡唑啉,吡咯烷,吡咯烷,咪唑啉,咪唑烷,吡唑烷,吡唑啉,吡啶,吡嗪,嘧啶,吡嗪,哌嗪,哌啶和三嗪组成的5-或6-成员杂环,Cy残基可选地被氧,硝基,羰基,氟,氯,溴或碘中的一个或多个取代基取代;R1为(C1-6)烷基或多氟(C1-6)烷基;R2为芳基,芳基-(C1-10)-烷基,(C4-7)环烷基或(C4-7)杂环,其中杂原子为氧原子。