申请人:——
公开号:US20010004639A1
公开(公告)日:2001-06-21
The present invention relates to new, efficient processes for the preparation of 5-(2-oxazolylalkylthio)-2-arylacetylaminothiazole compounds of formula I
1
or a pharmaceutically acceptable salt thereof, wherein:
R
1
, R
2
, R
4
, R
5
, R
6
, R
8
, R
9
, R
12
and R
13
are each independently hydrogen, alkyl, aryl or heteroaryl;
R
3
, R
7
, R
10
and R
11
are each independently hydrogen, alkyl, aryl, heteroaryl, halogen, hydroxy or alkoxy; and
X is CH or N,
which are novel, potent inhibitors of cyclin dependent kinases (cdks). The present invention also concerns a new process for the preparation of formylarylacetates and formylarylacetic acids.
本发明涉及一种制备公式I1的5-(2-噁唑基烷硫基)-2-芳基乙酰胺噻唑化合物或其药学上可接受的盐的新型高效制备工艺,其中:R1、R2、R4、R5、R6、R8、R9、R12和R13分别独立地为氢、烷基、芳基或杂环芳基;R3、R7、R10和R11分别独立地为氢、烷基、芳基、杂环芳基、卤素、羟基或烷氧基;X为CH或N,这些化合物是新型、有效的细胞周期蛋白依赖性激酶(cdks)抑制剂。本发明还涉及一种制备酰基芳基乙酸酯和酰基芳基乙酸的新型工艺。