申请人:Exelixis, Inc.
公开号:US20160229805A1
公开(公告)日:2016-08-11
A process for preparing a compound of Formula I is disclosed, comprising the steps:
wherein:
R
1
is halo;
R
2
is halo;
R
3
is (C
1
-C
6
)alkyl or (C
1
-C
6
)alkyl optionally substituted with heterocycloalkyl;
R
4
is (C
1
-C
6
)alkyl; and
Q is CH or N;
comprising:
(a) contacting 1,1-cyclopropane dicarboxylic acid with thionyl chloride in a polar aprotic solvent;
(b) adding
and a tertiary amine base to the mixture of step (a) to form a compound of Formula A; and
(c) coupling a compound of Formula A with an amine of Formula B to form a compound of Formula 1.
公开了一种制备式I化合物的方法,包括以下步骤:其中:R1为卤素;R2为卤素;R3为(C1-C6)烷基或(C1-C6)烷基,可选地取代杂环烷基;R4为(C1-C6)烷基;Q为CH或N;包括:(a)在极性非质子溶剂中将1,1-环丙烷二羧酸与氯化亚砜接触;(b)向步骤(a)的混合物中加入和三级胺碱,形成式A的化合物;以及(c)将式A的化合物与式B的胺偶联形成式1的化合物。