Synthesis of Isocoumarins: Rhenium Complex-Catalyzed Cyclization of 2-Ethynylbenzoic Acids
作者:Yutaka Nishiyama、Rui Umeda、Shunya Yoshikawa、Kouji Yamashita
DOI:10.3987/com-15-13311
日期:——
When 2-ethynylbenzoic acids were treated with a catalytic amount of a rhenium complex, such as ReCl(CO())5, 6-endo cyclization of 2-ethynylbenzoic acids proceeded with a high selectivity to give the corresponding isocoumarins in moderate to good yields.