Method of preparing hexaalkylguanidinium salts

Details Method of preparing hexaalkylguanidinium salts Method of preparing hexaalkylguanidinium salts

1990-11-01

1992-01-21

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

562437, 562560, 564230, 564237, C07C27708

Patent

active

050829688

ABSTRACT:
A method of preparing a hexaalkylguanidinium salt comprising contacting tetraalkylguanidine with an alkylating agent in the presence of at least one alkaline reagent, and optionally, a promoting amount of a phase transfer catalyst.

REFERENCES:
patent: 3813441 (1974-05-01), Muller-Schiedmayer et al.
patent: 4238373 (1980-12-01), Hardy et al.
patent: 4480126 (1984-10-01), Rutzen
patent: 4492802 (1985-01-01), Rutzen et al.
Santoro et al., "Hindered Rotation in Hexasubstituted Guanidine Salts" J. Org. Chem., vol. 44, 41 No. 1 (1979) pp. 117-120.
Pruszynski, "Synthesis and Properties of Phenyl Substituted Derivatives, etc.", Can. J. Chem. vol. 65 (1987) pp. 626-629.
Kantlehner et al., "Herstellung von 1,1 2,3,3, Pentasubstituierten und 1,1,2,2,3, 3-Hexasubstituierten Guanidiniumsalzen, etc." Liebigs Ann. Chem. 1984, pp. 108-126.

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