Preparation process of nitroguanidine derivatives

Details Preparation process of nitroguanidine derivatives Preparation process of nitroguanidine derivatives

1998-03-24

2000-09-12

O'Sullivan, Peter

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

564237, 564240, 546332, 548235, 549 74, C07D27728, C07D26330, C07D33322

Patent

active

061180076

ABSTRACT:
A process, as a substitute for hydrolysis, for preparing a nitroguanidine derivative represented by the following formula (2): ##STR1## wherein A represents a substituted or unsubstituted aromatic or non-aromatic hydrocarbon ring, a substituted or unsubstituted aromatic or non-aromatic heterocycle, a hydrogen atom or a substituted or unsubstituted alkyl, alkenyl or alkynyl group; and R.sub.2 represents a hydrogen atom, a substituted or unsubstituted C.sub.1-6 alkyl, alkenyl or alkynyl group, which comprises reacting a compound represented by the following formula (1): ##STR2## wherein R.sub.1 represents a substituted or unsubstituted, linear or cyclic C.sub.1-10 alkyl group and A and R.sub.2 have the same meanings as defined above, with ammonia, a primary amine or a secondary amine, or a salt thereof.

REFERENCES:
Knapp et al, "Amino Protection Using Triazones", Tetrahedron Letters, vol. 31, No. 15, 1990, pp. 2109-2112, XP002067348.
Chemical Abstracts, vol. 123, No. 19, Nov. 6, 1995, Columbus, Ohio, U.S., Abstract No. 256770p, Odaka et al, "Preparation of 1-(tetrahydro-3-furanylmethyl)-2-(nitroimino)-1,3,5-triazine Derivatives as Insecticides and Method for Production Thereof", p. 1164, col. 1, XP002067349 *abstract* & JP07173157A (Mitsui Toatsu Chemicals, Inc.) Jul. 11, 1995.

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