Process for the preparation of phenol-free phosphites

Details Process for the preparation of phenol-free phosphites Process for the preparation of phenol-free phosphites

C - Chemistry, Metallurgy

07

F

260/457.4

C07F 9/15 (1980.01)

Patent

CA 1064953

PROCESS FOR THE PREPARATION OF PHENOL-FREE PHOSPHITES Abstract of the Disclosure A process for the preparation of dialkylpentaer- ythritol diphosphites which are not contaminated by the presence of phenol. The process utilizes dichloropentaer- ythritol diphosphite as a starting material and since it does not contain a phenyl group there is no possibility of phenol being formed as a contaminant. Furthermore, the product obtained in this fashion is characterized by an enhanced hydrolytic stability.

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