Process for the preparation of phosphonitrile chloride oligomer

Details Process for the preparation of phosphonitrile chloride oligomer Process for the preparation of phosphonitrile chloride oligomer

1985-02-11

1986-01-28

Doll, John

Chemistry of inorganic compounds

Phosphorus or compound thereof

Halogen containing

C01B 2510

Patent

active

045670285

ABSTRACT:
A process for the preparation of phosphonitrile chloride oligomer, particularly, phosphonitrile chloride trimer at a high yield while suppressing the by-production of phosphonitrile chloride tetramer by reacting phosphorus pentachloride and ammonium chloride in an inert organic solvent under the presence of a polyvalent metal compound catalyst, wherein a catalytic amount of a compound selected from the group consisting of pyridine and alkyl-substituted pyridine derivatives capable of forming chloropyridinium salts in reaction with phosphorus pentachloride is present in the reaction system.

REFERENCES:
patent: 2788286 (1957-04-01), Teja et al.
patent: 4157425 (1979-06-01), Dieck et al.
patent: 4248845 (1981-02-01), Kinoshita et al.
patent: 4256715 (1981-03-01), Kinoshita et al.
patent: 4382914 (1983-05-01), Horie et al.

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