Process for converting organo-hydroxyl compounds to halides

Details Process for converting organo-hydroxyl compounds to halides Process for converting organo-hydroxyl compounds to halides

1986-06-30

1988-04-19

Jiles, Henry R.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

546290, 546345, 546303, 546295, 549 81, 549504, 568 32, 568579, 568656, 570124, 570127, 570182, 570183, 570206, 570207, 570261, C07D23924, C07D21324, C07C 1908, C07C 1716

Patent

active

047390573

ABSTRACT:
A process for converting organic hydroxyl-containing compounds to halides which comprises reacting the hydroxyl-containing compound with a phosphorushalide reagent of formula: R.sub.n PX.sub.5-n wherein n is selected from 1, 2 and 3; R is selected from the group consisting of C-6 to C-10 aryl and substituted aryl wherein the substituents are selected from the group consisting of straight and branched chain alkyl, alkoxy, and haloalkyl, halogen, sulfonate and mixtures thereof; and X is a halogen. It is preferred to carry out the reaction in the presence of an arylphosphorusoxydihalide solvent. The use of an arylphosphorustetrahalide and particularly phenylphosphorustetrachloride is preferred. The arylphoshorustetrahalide can be prepared in situ by contacting a solution of the corresponding arylphosphorusdihalide in an arylphosphorusoxydihalide solvent with a halogen. The process can further comprise the step of heating the reaction mixture. Maintaining a reaction temperature of from about 0.degree. C. to about 150.degree. C. for from about 1 hour to about 24 hours is preferred.

REFERENCES:
Payne, D. S., The Chemistry of Phosphorus Halides.

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