Reaction of<i>N</i><sup>1</sup>,<i>N</i><sup>2</sup>-Diarylacetamidines with Ethyl 2-Oxoindolin-3-ylidenecyanoacetate and Benzylidenemalononitriles
作者:Mohsen A.-M. Gomaa、Ahmed M. Nour El-Din、Azza A. Mohamed
DOI:10.1246/bcsj.72.471
日期:1999.3
3-dihydro-1H-indole)-3,4′-perhydropyridine]-3′-carbonitriles 5a—d together with ethyl 2-amino-4-[1-aryl-2,6-bis(arylamino)-4-hydroxy-1,4-dihydro-4-pyridyl]quinoline-3-carboxylate 9a—c were obtained from the reaction of N1,N2-diarylacetamidines 1a—d with ethyl 2-oxoindoline-3-ylidenecyanoacetate 3. Acetamidines 1a—c also reacted with the benzylidenemalononitriles 10a—d to afford the adducts 1,4,5,6-tetrahydropyridines
1'-Aryl-6'-arylimino-2,2'-dioxospiro[(2,3-dihydro-1H-indole)-3,4'-perhydropyridine]-3'-carbonitriles 5a-d 连同乙基 2-氨基-4-[1-芳基-2,6-双(芳基氨基)-4-羟基-1,4-二氢-4-吡啶基]喹啉-3-羧酸酯9a-c由N1,N2-二芳基乙脒反应得到1a-d 与 2-氧代二氢吲哚-3-亚基氰基乙酸乙酯 3。乙脒 1a-c 也与亚苄基丙二腈 10a-d 反应,得到加合物 1,4,5,6-四氢吡啶 13a-f。