Some new methods for preparing 2, 3??and 3, 4??diaminopyridines

JB Campbell, JM Greene, ER Lavagnino…

文献索引：Campbell; Greene; Lavagnino; et al. Journal of Heterocyclic Chemistry, 1986 , vol. 23, # 3 p. 669 - 672

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被引用次数: 17

摘要

8 in dilute nitric acid. The salt is isolated and then nitrated in a mixture of fuming nitric acid (90%) and 20% oleum. We observed that commercially available 1 can be nitrated ... 670 J. B. Campbell, J. M. Greene, E. R. Lavagnino, DN Gardner, A. J. Pike, J. Snoddy and E. C. Taylor ... Benzylamine also reacts readily with 5 and 11 providing 4-benzylamino-3-nitropyridine (9) and Z-benzylamino-3- nitropyridine (16) in excellent yields. The strategy en- visioned ...