Ru-catalyzed anti-markovnikov addition of amides to alkynes: A regio- and stereoselective synthesis of enamides

被引:107
作者
Goossen, LJ [1 ]
Rauhaus, JE [1 ]
Deng, GJ [1 ]
机构
[1] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany
关键词
alkynes; amides; enamides; homogeneous catalysis; hydroamidation; ruthenium;
D O I
10.1002/anie.200462844
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) The base-free anti-Markovnikov addition of secondary amides, anilides, lactams, ureas, bislactams, and carbamates to terminal alkynes is accomplished, for the first time, by a ruthenium-catalyzed reaction. Two complementary protocols provide stereoselective synthetic entries to either the E or the Z isomers (see scheme; cod = cycloocta-1,5-diene; DMAP = 4-(N,N-dimethylamino)pyridine). © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:4042 / 4045
页数:4
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