Bis(pentaalkylguanidinium) alkane salts as phase transfer cataly

Details Bis(pentaalkylguanidinium) alkane salts as phase transfer cataly Bis(pentaalkylguanidinium) alkane salts as phase transfer cataly

1990-12-12

1992-01-14

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

502167, C07C27904

Patent

active

050812980

ABSTRACT:
.alpha.,.omega.-Bis(pentaalkylguanidinium) alkane salts such as 1,6-bis (penta-n-butylguanidinium) hexane dibromide 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-diaalkylcarbamoyl 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: 2219350 (1940-10-01), Walden
patent: 4339459 (1982-07-01), Diery et al.
patent: 4567174 (1986-01-01), Edwards et al.
patent: 4806286 (1989-02-01), Senet et al.

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