Calcium-catalyzed regioselective dehydrative cross-coupling of propargylic alcohols with 1,3-dicarbonyl compounds

Peizhong Xie, Xiangyang Wo, Xiaobo Yang, Xinying Cai, Shuangshuang Li, Cuiqing Gao, Weishan Fu, Zuolian Sun, Teck Peng Loh