Palladium catalyzed dehydrogenative arylation of coumarins: an unexpected switch in regioselectivity
作者:Farnaz Jafarpour、Hamideh Hazrati、Nazanin Mohasselyazdi、Mehdi Khoobi、Abbas Shafiee
DOI:10.1039/c3cc46959j
日期:——
A new regioselective alpha-arylation of coumarins with unactivated simple arenes via a palladium-catalyzed twofold C-H functionalization is devised. This method offers an attractive new approach to synthesis of a wide variety of 3-arylcoumarins from readily accessible starting materials.
设计了一种新的香豆素的区域选择性α-芳构化与未活化的简单芳烃,其通过钯催化的双CH官能团化。该方法提供了一种有吸引力的新方法,可以从易于获得的起始原料合成多种3-芳基香豆素。