Reaction of N, N'??dialkyldithiodianilines with β??ketoesters. A new synthesis of N??alkyl??2??acyl??3??oxo??3, 4??dihydro??1, 4??benzothiazines

…, A Latrofa, A Reho, M Franco, G Liso

文献索引：Trapani, Giuseppe; Latrofa, Andrea; Reho, Antonia; Franco, Massimo; Liso, Gaetano Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 5 p. 1155 - 1159

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被引用次数: 10

摘要

1158 G. Trapani, A. Latrofa, A. Reho, M. Franco and G. Liso Vol. 29 enol form were detected]; ms: m/z = 303 (M*, 22), 165 (100). Anal. Caled, for C„H21N02S: С, 67.31; H, 6.98; N, 4.62. Found: С, 67.55; H, 7.16; N, 4.82. A/-Cycloheptyl-2-acetylmethylidene-2,3-dihydro-l,3 -benzothiazole (12d). This compound was obtained as a solid (96% yield), mp 100-101°; ir (potassium bromide): v max = 1610 cm'1; 'H nmr (deuteriochloroform): 5 1.5-2.6 (m, 12H), 2.23 (s, ...