Reactions of 4-oxo-1,3-benzoxazinium perchlorates with guanidines
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Condensation of 2-methyl-4-oxo-1,3-benzoxazinium perchlorate with various aromatic and heterocyclic aldehydes provided previously unknown arylvinyl-and hetarylvinyl-substituted salts whose recyclization under treatment with guanidine resulted in formerly undescribed 1,3,5-triazines. The reaction of perchlorates obtained with guanidinebenzoxazole led to the formation of bishetarylamines, with guanidinebenzimidazole formed triazinebenzimidazoles, the cyanoguanidine reacted with 4-oxo-1,3-benzoxazinium perchlorates to give cyanamides.
KeywordsCyanamide Benzoxazine Ethenyl Sodium Methylate Triazino
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