Phosphonium salts and their method of preparation

Details Phosphonium salts and their method of preparation Phosphonium salts and their method of preparation

2004-03-08

2010-11-09

Sullivan, Daniel M (Department: 1621)

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

Organic compounds

Phosphorus containing

Reexamination Certificate

active

07829744

ABSTRACT:
A primary phosphine or a secondary phosphine is reacted with an ester compound selected from the group consisting of; a phosphate triester; a phosphonate diester; a sulfate diester; and a sulfonate ester; to form a phosphonium salt of formula (VII) wherein each of RQ, RX, RY, and RZis independently hydrocarbyl and X−is a phosphate, phosphonate, sulfate, or sulfonate. These phosphonium salts may find utility in a wide range of applications, including as surfactants, as polar solvents (ionic liquids), as antimicrobial agents, and as a component of spinning finish in polyamide fiber processing.

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