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Patent Searching and Data


Title:
PRODUCTION OF BIGUANIDE DERIVATIVE
Document Type and Number:
Japanese Patent JP2636106
Kind Code:
B2
Abstract:

PURPOSE: To produce a biguanide derivative useful as an intermediate for phenoxyalkylamino group-substituted triazine based herbicide in high purity and high yield.
CONSTITUTION: A phenoxyalkylamine salt of formula I (R1 and R2 are 1-4C alkyl; (n) is 0-5; X is halogen) is reacted with dicyandiamide in a solvent containing a 8-15C paraffin based hydrocarbon or a phenoxyalkylamine of the formula II is reacted with hydrogen halide in a solvent containing a 8-15C paraffin based hydrocarbon to afford a phenoxyalkylamine salt, which is then reacted with dicyandiamine in the same solvent without isolating the salt to provide the objective biguanide of the formula III.


Inventors:
NAKAMURA KAZUFUMI
NISHII MASAHIRO
ADACHI RYOICHI
Application Number:
JP34346591A
Publication Date:
July 30, 1997
Filing Date:
December 25, 1991
Export Citation:
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Assignee:
IDEMITSU KOSAN KK
International Classes:
C07C277/00; C07C279/26; C07C277/02; (IPC1-7): C07C279/26; C07C277/02
Attorney, Agent or Firm:
Nakamura Shizuo