P308+P313:IF exposed or concerned: Get medical advice/attention.
P405:Store locked up.
Description
Methyl 2-bromobenzoate under Heck reaction with acrylonitrile results in lactonization to give the benzofuran-2-one 3-(cyanomethyl)-2-coumaranone. It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals