Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1988-12-05
1990-11-27
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C07D25118
Patent
active
049736892
ABSTRACT:
In a method for the production of cyclohexanecarboguanamine by the reaction of cyanocyclohexane with dicyandiamide in an organic solvent possessing a hydroxyl group in the molecular unit thereof at a temperature in the range of 90.degree. to 200.degree. C. in the presence of a basic catalyst, the improvement which comprises carrying out the reaction using 0.60 to 0.95 mol of dicyandiamide per mol of cyanocyclohexane in an atmosphere substantially incapable of producing any effect of oxygen.
REFERENCES:
patent: 2606904 (1952-08-01), Kaiser
patent: 3379661 (1968-04-01), Gynn et al.
patent: 4673757 (1987-06-01), Fiedler et al.
Iriguchi Jiro
Kaieda Osamu
Takaya Tsuguo
Yamada Souichi
Yatagai Hidetaka
Ford John M.
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
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