Cyanoacetylation of Indoles, Pyrroles and Aromatic Amines with the Combination Cyanoacetic Acid and Acetic Anhydride
作者:Jan Bergman、Johnny Slätt、Ivan Romero
DOI:10.1055/s-2004-831164
日期:——
Cyanoacetic acid was activated with acetic anhydride and when heated this reagent reacted with a variety of both activated and deactivated pyrroles, indoles and aniline derivatives.
氰基乙酸用乙酸酐活化,加热时该试剂与多种活化和失活的吡咯、吲哚和苯胺衍生物反应。
One step synthesis of 1,5-diaryl pyridin-2(1H)-ones from 2-aryl vinamidinium salts and N-aryl cyanoacetamides
作者:Jiabin Yang、Guoqiang Su、Yu Ren、Yang Chen
DOI:10.1016/j.tet.2014.09.041
日期:2014.11
A one step, direct method for the synthesis of 1,5-diaryl pyridin-2(1H)-one derivatives by condensation of 2-aryl vinamidinium salts with N-aryl cyanoacetamides has been developed. This method can conveniently provide the corresponding 1,5-diaryl pyridin-2(1H)-one derivatives with various substituents in good yields and overcome the drawbacks of existing methods such as poor substrate scope, heavy metal pollution, and low yields. The formation mechanism of the products was illustrated. (C) 2014 Elsevier Ltd. All rights reserved.
Environmentally benign synthesis of 4-aminoquinoline-2-ones using recyclable choline hydroxide
作者:Anita Kailas Sanap、Ganapati Subray Shankarling
DOI:10.1039/c4nj01281j
日期:——
Biocompatible and recyclable choline hydroxide for rapid synthesis of 4-aminoquinoline-2-ones.