Bis(guanidinium)alkane salts as phase transfer catalysts

Details Bis(guanidinium)alkane salts as phase transfer catalysts Bis(guanidinium)alkane salts as phase transfer catalysts

1991-06-24

1992-05-26

Cintins, Marianne

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544129, 544142, 544162, 546186, 546187, 546246, 548523, 548561, C07D29512, C07D29500, C07D207325

Patent

active

051169754

ABSTRACT:
.alpha.,.omega.-Bis(guanidinium)alkane salts which contain a heterocyclic nitrogen moiety are prepared by the reaction of a tetraalkyl urea with phosgene or phosphorus oxychloride, or by the reaction of a tetraalkyl thiourea with an N-N-dialkylcarbamoyl halide, to yield a chloroformamideinium salt, followed by reaction of said salt with a monoalkylamine and reaction of the resulting pentaalkylguanidinium salt with an alkylene dihalide. Said salts are useful as phase transfer catalysts.

REFERENCES:
patent: 5081298 (1992-01-01), Brunelle

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