Interceptive [4+ 1] Annulation of in Situ Generated 1, 2-Diaza-1, 3-dienes with Diazo Esters: Direct Access to Substituted Mono-, Bi-, and Tricyclic 4, 5- …

OA Attanasi, L De Crescentini, G Favi…

Index: Osyanin, Vitaly A.; Osipov, Dmitry V.; Demidov, Maxim R.; Klimochkin, Yuri N. Journal of Organic Chemistry, 2014 , vol. 79, # 3 p. 1192 - 1198

Full Text: HTML

Citation Number: 19

Abstract

... The Journal of Organic Chemistry. ... chromatography. Table 3. Formal [4 + 1] Cycloaddition of Cyclic N-Anilinocarbonyl Hydrazones 1o–r with Diazo Esters 2a,b: Synthesis of Bi- and Tricyclic 4,5-Dihydropyrazoles 3t–x. Table a Yield ...