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PENTACOORDINATE PHOSPHORUS COMPOUND, ITS PRODUCTION AND USE
PENTACOORDINATE PHOSPHORUS COMPOUND, ITS PRODUCTION AND USE
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机译:五配位磷化合物及其生产和使用
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摘要
PROBLEM TO BE SOLVED: To obtain the subject compound that has excellent stabilization effect on organic materials against thermal and oxidative deteriorations and is useful as a stabilizer for organic materials by reaction of a specific bisphenol, a phosphorus trihalide and catechol. ;SOLUTION: This compound is a new pentacordinate phosphorus compound represented by formula I [R1, R2, R4 and R5 are each H, a 1-8C alkyl, a 5-8c cycloalkyl, a 7-12C aralkyl, phenyl; R3 is H, a 1-8C alkyl; X is a single bond, S, the formula: -CHR6-(R6 is H, a 1-8C alkyl, a 5-8C cycloalkyl)], is excellent in stabilization effect on thermal deterioration and oxidative deterioration of organic materials and useful as a stabilizer for organic materials. This compound is prepared by reaction of a bisphenol of formula II with a catechol of formula III.;COPYRIGHT: (C)1998,JPO
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