V. K. Khairullin, G. V. Dmitrieva, A. Pudovik
May 1, 1969
Citations
0
Influential Citations
2
Citations
Journal
Russian Chemical Bulletin
Abstract
1. Methyldichlorophosphine reacts withα-crotonic acid and gives methyl-(β-chIoroformylisopropyl) phosphinic acid chloride. 2. The hydrolysis of methyl-(β-chloroformylisopropyl)phosphinic acid chloride gives methyl-(β-carboxyisopropyl)phosphinic acid, the alcoholysis gives the complete ester of this acid; its reaction with acetic anhydride leads to the formation of 2,3-dimethyl-2, 5-dioxo-1, 2-oxaphospholane. 3. The reaction of 2, 3-dimethyl-2, 5-dioxo-1, 2-oxaphospholane with ethanol gives the ethyl ester of methyl-(β-carboxyisopropyl)phosphinic acid, the reaction with aniline gives methyl-(β-phenyl-carbamoyl-isopropyl)phosphinic acid. 4. The ethyl ester of methyl-(β-carbethoxyisopropyl)phosphinic acid with PCl5 gives methyl-(β-carbethoxyisopropyl)phosphinic acid chloride.