Yi Zhang, Qian Wang, Huidong Yu and Yong Huang
Org. Biomol. Chem., 2014,12, 8844-8850
DOI:
10.1039/C4OB01312C,
Paper
We describe a straightforward protocol for a smooth dehydrogenative annulation reaction between various arenes and terminal alkynes using a catalytic amount of CuBr2 and molecular oxygen. 3-Methyleneisoindoline derivatives are prepared in high yields.