We present here a facile and practical procedure for the synthesis of tetrasubstituted furans from alkynes catalyzed by palladium acetate together with cupric acetate in acetic acid,using atmospheric oxygen as a termi...We present here a facile and practical procedure for the synthesis of tetrasubstituted furans from alkynes catalyzed by palladium acetate together with cupric acetate in acetic acid,using atmospheric oxygen as a terminal oxidant.Various internal aromatic alkynes afforded the target furans in satisfactory yield.展开更多
基金We thank Scientific and Technological Project of Zhanjiang City(No.2012C3106024)Guangdong Medical College(No.M2010006)for financial support.
文摘We present here a facile and practical procedure for the synthesis of tetrasubstituted furans from alkynes catalyzed by palladium acetate together with cupric acetate in acetic acid,using atmospheric oxygen as a terminal oxidant.Various internal aromatic alkynes afforded the target furans in satisfactory yield.