1332500-51-2Relevant articles and documents
Expeditious synthesis of phenanthrenes via CuBr2-catalyzed coupling of terminal alkynes and N-tosylhydrazones derived from O-formyl biphenyls
Ye, Fei,Shi, Yi,Zhou, Lei,Xiao, Qing,Zhang, Yan,Wang, Jianbo
, p. 5020 - 5023 (2011)
A new method for the synthesis of phenanthrenes via ligand-free CuBr2-catalyzed coupling/cyclization of terminal alkynes with N-tosylhydrazones derived from o-formyl biphenyls has been developed. This new synthesis has wide range of functional group compatibility.
C(sp)-C(sp3) bond formation through cu-catalyzed cross-coupling of N -tosylhydrazones and trialkylsilylethynes
Ye, Fei,Ma, Xiaoshen,Xiao, Qing,Li, Huan,Zhang, Yan,Wang, Jianbo
supporting information; experimental part, p. 5742 - 5745 (2012/05/07)
Copper-catalyzed cross-coupling of N-tosylhydrazones with trialkylsilylethynes leads to the formation of C(sp)-C(sp3) bonds. Cu carbene migratory insertion is proposed to play the key role in this transformation.