Title:
MANUFACTURE OF NEUTRAL PHOSPHOROUS ARYLESTER
Document Type and Number:
Japanese Patent JPS5692896
Kind Code:
A
Abstract:
A process for the preparation of a neutal phosphorous acid aryl ester of the general formula (I) wherein a phosphorus trihalide, phosphorus acid monoester dihalide or phosphorous acid diester halide is reacted with a hydroxyaryl compound wherein an excess of hydroxyaryl compound and an excess of aqueous alkali metal hydroxide solution or suspension or alkaline earth metal hydroxide solution or suspension are employed, relative to the phosphorus halide compound, an inert water immiscible organic solvent and/or diluent is employed in an amount such that 5 to 50% strength solution of the neutral phosphorous acid aryl ester is formed and after the reaction, the organic phase is separated off and the phosphorous acid aryl ester formed is isolated by removing the solvent and/or diluent.
Inventors:
UUBE FUKUSU
EAHARUTO TORESUPAA
KURAUSU BURUFU
EAHARUTO TORESUPAA
KURAUSU BURUFU
Application Number:
JP17475780A
Publication Date:
July 27, 1981
Filing Date:
December 12, 1980
Export Citation:
Assignee:
BAYER AG
International Classes:
C07F9/141; C07F9/145; C08K5/526; C08K5/52; (IPC1-7): C07F9/145
Domestic Patent References:
| JP39011306A | ||||
| JPS53116555A | 1978-10-12 | |||
| JP39018545A |