Ammonium Nitrate: A Biodegradable and Efficient Catalyst for the Direct Amidation of Esters under Solvent-free Conditions

被引：9

作者：

Ramesh, Perla ^{[1
]}

Fadnavis, Nitin W. ^{[1
]}

机构：

[1] Indian Inst Chem Technol, Nat Prod Chem Div, Hyderabad 500007, Andhra Pradesh, India

来源：

CHEMISTRY LETTERS | 2015年 / 44卷 / 02期

关键词：

AMIDE BOND FORMATION; ONE-POT SYNTHESIS; TEMPLATED MACROLACTAMIZATION; SPERMINE ALKALOIDS; SECONDARY AMIDES; FACILE SYNTHESIS; AMINO-ALCOHOLS; PIPER-NIGRUM; CONVERSION; CHLORIDE;

D O I：

10.1246/cl.140846

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple, metal-free, and environment-friendly procedure is developed for the direct conversion of esters to amides using ammonium nitrate as a catalyst under solvent-free conditions. Aryls, heteroaryls, and aliphatic esters are easily converted to the corresponding amides in excellent isolated yields (85-99%). An enantiopure ester and amine were both shown to react without racemization. The methodology has been successfully applied to preparation of procainamide.

引用

页码：138 / 140

页数：3

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