Nickel-catalyzed highly regio- and stereoselective cyclization of oxanorbornenes with alkyl propiolates: A novel method for the synthesis of benzocoumarin derivatives
Dk. Rayabarapu et al., Nickel-catalyzed highly regio- and stereoselective cyclization of oxanorbornenes with alkyl propiolates: A novel method for the synthesis of benzocoumarin derivatives, ANGEW CHEM, 40(7), 2001, pp. 1286