Synthesis of 3-Substituted Isocoumarins through Acyloxypalladation of o-Alkenylbenzoic Acids.
作者:Tatsuya MINAMI、Akemi NISHIMOTO、Yumi NAKAMURA、Miyoji HANAOKA
DOI:10.1248/cpb.42.1700
日期:——
Cyclization of o-alkenylbenzoic acids in the presence of Pd catalyst and benzoquinone led to 3-substituted isocoumarins in high yield. The isocoumarins obtained were converted to isoquinolones by treatment with primary amines.
在钯催化剂和苯醌存在下,邻烯基苯甲酸发生环化反应,从而高产出 3-取代的异香豆素类化合物。获得的异香豆素经伯胺处理后可转化为异喹诺酮类化合物。