Browsing by Subject "2-cyanomethylbenzimidazole"
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Reaction of Nitrilimines with 2-Substituted Aza-heterocycles. Synthesis of Pyrrolo [1, 2-a] pyridine and Pyrimido [2, 1-d] 1, 2, 3, 5-tetrazine
(Directory of Open Access Journals, 2008)The reaction of nitrilimine 6a with ethyl pyridine-2-acetate (7) gave thecorresponding pyrrolo&91;1,2-a&93;pyridine 8, while the reaction of 6b containing an estermoiety afforded the acyclic adduct 9. The reaction of 6a ... -
Reaction of nitrilimines with alkoxycarbonyl‐hydrazines: Synthesis of 6‐Acetyl‐4‐aryl‐2‐ethoxycarbonyl‐1,2,3,4‐tetrahydro‐s‐tetrazines
(WILEY‐VCH Verlag GmbH, 1998)Nitrilimines 2 are found to react with alkoxycarbonylhydrazines 3–5 to afford the acyclic adducts 6–8. 6c is oxidized upon heating with charcoal in refluxing toluene to the corresponding formazan 9c. Compounds 8 cyclize ...