The compound represented by the following formula (I) and the like have PAI-1 inhibition activity;
wherein: R
1
represents a C
6-10
aryl group which may be substituted or the like; T represents a single bond or the like; m represents 0 or 1; when m is 0, G represents —N—C(═O)—CO
2
H or the like; when m is 1, G represents an oxygen atom or the like; R
2
represents a C
6-10
aryl group which may be substituted or the like; E represents the following formula (II) wherein one of R
31
, R
32
, R
33
and R
34
represents the formula R
1
-T-, each of the other three independently represents a hydrogen atom or the like, and R
35
represents the formula —X—Y′, a hydrogen atom or the like; X represents —CH
2
— or the like; Y′ represents a carboxy group or the like; M represents a single bond or the like.
Carbene Bridging C-H Activation: Facile Isocoumarin Synthesis Through Palladium-Catalyzed Reaction of 2-Pseudohalobenzaldehydes with Aryl Diazoesters
作者:Chao Yan、Yinghua Yu、Bo Peng、Xueliang Huang
DOI:10.1002/ejoc.201901738
日期:2020.2.14
A strategy based on carbene bridging C–H activation is described. The bridging arm is generated via migratory insertion of a palladium carbene intermediate. Through this distinct pathway, a variety of isocoumarins could be prepared in a modular manner.