Lewis acid- and/or Lewis base-catalyzed [3+2] cycloaddition reaction: synthesis of pyrazoles and pyrazolines
作者:Palakodety Radha Krishna、Empati Raja Sekhar、Florence Mongin
DOI:10.1016/j.tetlet.2008.09.037
日期:2008.11
A facile, InCl3 and/or DABCO mediated 1, 3-dipolar cycloaddition of ethyl diazoacetate (EDA) with various activated olefins Under solvent-free conditions at ambient temperature to afford 3, 5-disubstituted pyrazolines and pyrazoles in moderate to good yields is reported. (C) 2008 Elsevier Ltd. All rights reserved.