ZrCl2(η-C5Me5)2-AlHCl2·(THF)2: efficient hydroalumination of terminal alkynes and cross-coupling of the derived alanes
作者:Philip Andrews、Christopher M. Latham、Marc Magre、Darren Willcox、Simon Woodward
DOI:10.1039/c2cc37537k
日期:——
with exceptional chemo-, regio- and stereoselectivity under efficient ZrCl(2)(eta-C(5)Me(5))(2) catalysis (2-5 mol%). The resulting vinyl alanes undergo palladium cross-coupling with a wide range of sp(2) electrophiles (aryl, heteroaryl and vinyl halides/pseudohalides) in good to excellent yields.
稳定的AlHCl(2)。(THF)(2)在高效ZrCl(2)(eta-C(5)Me(5))(2)催化下,与CH相同的RC具有与CH相同的氢氧化铝,具有出色的化学,区域和立体选择性(2- 5mol%)。生成的乙烯基丙氨酸与各种sp(2)亲电试剂(芳基,杂芳基和乙烯基卤化物/拟卤化物)进行钯交叉偶联,收率良好。