The Michael reaction of nitroalkanes with conjugated enones in aqueous media
作者:Roberto Ballini、Giovanna Bosica
DOI:10.1016/0040-4039(96)01816-3
日期:1996.10
The Michaelreaction of various nitroalkanes with conjugatedenones can be performed in NaOH 0.025 M and in the presence of cetyltrimethylammonium chloride (CTACl) as cationic surfactant, without any organic solvent. Good yields of the products are obtained even with hindered starting materials.
Cetyltrimethylammonium hydroxide (CTAOH) as a general, ecofriendly catalyst for the formation of carbon–carbon bond through nitroalkanes
作者:Roberto Ballini、Dennis Fiorini、Maria Victoria Gil、Alessandro Palmieri
DOI:10.1016/j.tet.2004.01.067
日期:2004.3
Nitroalkanes have been found to give good yields in Michael and nitroaldol (Henry) reactions by the use of a catalytic amount (10 mol%) of CTAOH. at room temperature and under solvent free conditions and in very short reaction times. The methods do not need a large excess of the nitroalkanes and show good chemoselectivity toward further functionalities. (C) 2004 Elsevier Ltd. All rights reserved.