Michael additions of carbonucleophiles to butenone catalyzed by the non-hydride [Ru(O2CH)(CO)2(PPh3)]2 complex
作者:Michel Picquet、Christian Bruneau、Pierre H. Dixneuf
DOI:10.1016/s0040-4020(99)00115-5
日期:1999.3
[Ru(mu-O2CH)(CO)(2)(PPh3)](2) in acetonitrile is an efficient catalyst precursor for the Michael addition of soft carbonucleophiles to butenone. The utilization of terminal alkynes as donors makes possible the selective formation of gamma,delta-ynones. (C) 1999 Elsevier Science Ltd. All rights reserved.
Poly(N-vinylimidazole) as efficient recyclable catalyst for the Michael addition of CH-acids to electron deficient alkenes in water
作者:E. A. Tarasenko、V. S. Tyurin、F. Lamaty、I. P. Beletskaya
DOI:10.1007/s11172-011-0401-7
日期:2011.12
Efficiency of poly(N-vinylimidazole) as the basic recyclable catalyst for the Michael addition of CH-acids to acrylonitrile, methyl acrylate, methyl vinyl ketone and methyl vinyl sulfone in water at ambient temperature was studied. In these reactions, formation of both 1: 1 and 1: 2 adducts is possible.