Synthesis of isomelamines and isocyanurates and their biological evaluation

Article abstract of DOI:10.1248/cpb.44.2314

The reaction of cyanogen bromide (1) with primary amines (2a-p), including arylmethylamines (21-p), gave the corresponding cyanamides (3a- p). Trimerization of 3a-p gave 1,3,5-trisubstituted 2,4,6-triiminohexahydro- 1,3,5-triazines (isomelamines) (4a-p), which were treated with hydrochloric acid to give the corresponding 1,3,5-trisubstituted 2,4,6-trioxohexahydro- 1,3,5-triazines (isocyanurates) (5a-c, f) and 1,3,5-trisubstituted 2-imino- 4,6-dioxohexahydro-1,3,5- triazines (5b'-e'). Biological evaluation of 4a- p, 5a-c, f, and 5b'-e' was carried out, and some of these compounds showed bronchodilator and positive inotropic activities.

Full text of DOI:10.1248/cpb.44.2314

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