Three component coupling catalyzed by TaCl5–SiO2: synthesis of α-amino phosphonates
摘要:
TaCl5-SiO2 has been utilized as an efficient Lewis acid catalyst for the three component coupling of carbonyl compounds, aromatic amines and diethyl phosphite to produce a-amino phosphonates. (C) 2001 Published by Elsevier Science Ltd.
A facile and highly efficient route to α-amino phosphonates via three-component reactions catalyzed by Mg(ClO<sub>4</sub>)<sub>2</sub>or molecular iodine
作者:Jie Wu、Wei Sun、Hong-Guang Xia、Xiaoyu Sun
DOI:10.1039/b602536f
日期:——
Three-component reactions of aldehydes, amines, and diethyl phosphite catalyzed by Mg(ClO4)2 or molecular iodine afforded the corresponding α-amino phosphonates in excellent yields under mild reaction conditions.
TaCl5-SiO2 has been utilized as an efficient Lewis acid catalyst for the three component coupling of carbonyl compounds, aromatic amines and diethyl phosphite to produce a-amino phosphonates. (C) 2001 Published by Elsevier Science Ltd.