Process for the preparation of polyaminotriazines

Details Process for the preparation of polyaminotriazines Process for the preparation of polyaminotriazines

C - Chemistry, Metallurgy

07

D

402/365, 260/249

C07D 401/14 (2006.01) C08G 73/06 (2006.01) C08K 5/3492 (2006.01)

Patent

CA 1219870

Process for the preparation of polyaminotriazines Abstract The known reaction of dichlorotriazines of the formula II Image (II) in which Q is an ether or amino radical, with diamines of the formula III Pip-NH-R-NH-Pip (III) in which Pip is a radical of the formula Image in which R1 is hydrogen, C1-C12-alkyl, C3-C8-alkenyl, C7- C11-phenylalkyl, C2-C8-alkanoyl or C3-C5-alkenoyl and R is a divalent organic radical leads to undesirable, sparingly soluble by-products. The formation of these by-products can be suppressed if the reaction is carried out in a water- immiscible organic solvent with the addition of an aqueous base - preferably NaOH or KOH - under pressure at 140-220°C.

427197

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