Method of making cyclic aryl chlorophosphites

Details Method of making cyclic aryl chlorophosphites Method of making cyclic aryl chlorophosphites

1988-07-05

1990-01-16

Doll, John

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

C07F 902

Patent

active

048944815

ABSTRACT:
Cyclic chlorophosphites of ortho-bridged phenols are made by reaction of an ortho-bridged bisphenol with PCl.sub.3 in an inert solvent using a catalytic amount of a polymeric compound having a pyridine skeletal structure and a cross-linked structure to promote the reaction.

REFERENCES:
patent: 2739948 (1956-03-01), D'Alelleo
patent: 3281506 (1966-10-01), Shepard et al.
patent: 4312818 (1982-01-01), Maul et al.
patent: 4318845 (1982-03-01), Spivac et al.
patent: 4322527 (1982-03-01), Rasberger
patent: 4440696 (1984-04-01), Maul et al.
Odorisio et al., "Phosphorus and Sulfur", (1) vol. (15), pp. 9-13, 1983; (2) vol. (19), pp. 1-10, 1984; (3) vol. (19), pp. 285-293, 1984.

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