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Further Studies on the Reaction of Unsaturated Acids with o-Phenylenediamine and 4-Substituted o-Phenylenediamines in Acid Medium
Further Studies the Reaction of Unsaturated Acids o-Phenylenediamine 4-Substituted o-Phenylenediamines in Acid Medium
2010/6/30
Condensation of methylcrotonic acid with 4-chloro-o-phenylenediamine in 4N HCl yielded 5-chloro-2-(1-isobutenyl)benzimidazole and 7-chloro-4, 4-dimethyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-2-one. ...