作者:Vivek J. Bulbule、G. K. Jnaneshwara、Ravindra R. Deshmukh、Hanumant B. Borate、Vishnu H. Deshpande
DOI:10.1081/scc-100107010
日期:2001.1
Benzyltrimethylammonium hydroxide is found to be a very efficient catalyst for nitroaldol condensation in a short time with excellent yield.
Heterogeneous Henry reaction of aldehydes: Diastereoselective synthesis of nitroalcohol derivatives over Mg-Al hydrotalcites
作者:Vivek J. Bulbule、Vishnu H. Deshpande、Subramani Velu、Arumugam Sudalai、S. Sivasankar、V.T. Sathe
DOI:10.1016/s0040-4020(99)00494-9
日期:1999.7
Mg-Al Hydrotalcite (HT) has been found to catalyze the reaction between aldehydes and nitroalkanes very efficiently affording three nitroalkanols in a highly diastereoselective manner. The ratios of threolerythro isomers are determined from their respective C-13-NMR spectra. A mechanism based on the transition state model for the predominant formation of threo-isomers is also described. (C) 1999 Elsevier Science Ltd. All rights reserved.