Ionic Liquid–Promoted Phospha-Michael Reaction: Convenient Access to Β-Nitrophosphonates

S. H. Jayaprakash,B. Satheesh Krishna,S. Santhi Sudha,N. Bakthavatchala Reddy,P. Sreelakshmi,K. Madhu Kumar Reddy,C. Suresh Reddy

Synthetic communications（2015）

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摘要

Abstract A convenient and mild procedure is developed for β-nitrophosphonates via phospha-Michael addition of phosphites to nitrostyrene at room temperature in the presence of 1,8-diazabicyclo-[5.4.0]undec-7-ene (DBU)–based ionic liquid [DBUH][OAc]. The operational simplicity, convenient workup, and reusability of the ionic liquid make this method attractive. GRAPHICAL ABSTRACT

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关键词

C-P bond formation,[DBUH][OAc],ionic liquid,phospha-Michael addition

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