2-diazo-N-phenylacetamide 、 邻硝基苯甲醛 在
zirconium complex of (R)-3,3'-diiodo-BINOL on 3 Å MS 作用下,
以
乙腈 为溶剂,
以87%的产率得到(R,R)-3-(2-nitrophenyl)-N-phenyloxirane-2-carboxamide
A novel acid-catalyzed rearrangement of 2-substituted-3-(2-nitrophenyl)oxiranes for the synthesis of di- and mono-oxalamides
作者:Vakhid A. Mamedov、Vera L. Mamedova、Gul'nas Z. Khikmatova、Ekaterina V. Mironova、Dmitry B. Krivolapov、Olga B. Bazanova、Denis V. Chachkov、Sergey A. Katsyuba、Il'dar Kh Rizvanov、Shamil K. Latypov
DOI:10.1039/c6ra02586b
日期:——
novel one-pot synthetic approach to N1-(2-carboxyaryl)-N2-(aryl or H)oxalamides from3-(2-nitroaryl)oxirane-2-carboxamides via the classical Meinwald rearrangement and a new rearrangement sequence has been developed. The methodology is applicable to the synthesis of N-(2-carboxyphenyl)aryloxalmonoamides from (3-(2-nitrophenyl)oxiran-2-yl)(aryl)methanones. The method is operationally simple and high yielding