Author/Authors :
He، نويسنده , , Sheng and Chen، نويسنده , , Li and Niu، نويسنده , , Yan-Ning and Wu، نويسنده , , Lu-Yong and Liang، نويسنده , , Yong-Min، نويسنده ,
Abstract :
A series of pyrazoles were prepared in good yields via 1,3-dipolar cycloaddition of diazoacetate compounds to terminal alkynes promoted by Zn(OTf)2 under mild conditions. It was supposed that the reaction was through the intermediate of Zn alkynilide.
