Process for producing biguanide derivative

Details Process for producing biguanide derivative Process for producing biguanide derivative

1991-12-23

1994-02-15

Robinson, Allen J.

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

Organic compounds

Amino nitrogen containing

C07C27700

Patent

active

052869059

ABSTRACT:
The present invention relates to a process for the production of a biguanide derivative useful as an intermediate for triazine-type herbicides, in which the biguanide derivative can be produced at high yields by reacting a phenoxyalkylamine salt with dicyandiamide in a solvent containing a paraffinic hydrocarbon having 8 to 15 carbon atoms, or by reacting a free phenoxylakylamine with a hydrogen halide in a solvent containing a paraffinic hydrocarbon having 8 to 15 carbon atoms and reacting the resultant a phenoxyalkylamine salt with dicyandiamide in the same solvent without isolating the phenoxyalkylamine salt.

REFERENCES:
patent: 3366687 (1968-01-01), Ellis et al.
patent: 3960949 (1976-06-01), Ahrens et al.
patent: 4558159 (1985-12-01), McCoy et al.

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