作者:G. V. M. Sharma、K. Laxmi Reddy、P. Sree Lakshmi、Palakodety Radha Krishna
DOI:10.1002/jhet.5570420719
日期:2005.11
Stereoselective synthesis of dihydropyrimidinone glycoconjugates in high yields, from different sugar aldehydes, by a three-component coupling (Biginelli) reaction is reported. In this new method, HC1 generated ‘in situ’ from2,4,6-trichloro[l,3,5]triazine(TCT; 10 mol%), was used under mild and solvent free reaction conditions.
据报道,通过三组分偶联(Biginelli)反应,可以从不同的糖醛高产率地立体选择性合成二氢嘧啶酮糖缀合物。在这种新方法中,由2,4,6-三氯[1,3,5]三嗪(TCT; 10 mol%)“原位”生成的HCl在温和且无溶剂的反应条件下使用。