Synthesis of Novel Series of 6-Chloro-1,1-dioxo-1,4,2-benzodithiazine Derivatives with Potential Biological Activity
作者:Zdzisław Brzozowski、Jarosław Sławiński
DOI:10.1002/jhet.1562
日期:2013.8
A series of 6′‐chloro‐1′,1′‐dioxo‐2′H‐spiro[benzo[d][1,3,7]oxadiazocine‐4,3′‐(1,4,2‐benzodithiazine)]‐2,6(1H,5H)‐dione derivatives 2a, 2b and 3a, 3b have been synthesized starting from 3‐aminobenzodithiazines 1a, 1b and isatoic anhydride. Subsequent reactions of 2a with 3‐chlorophenyl isocyanate gave condensation products 4 and 5. Compound 2a was also converted into 3‐(2‐aminobenzamido)‐6‐chloro‐7‐methyl‐1
一系列的6'-氯-1',1'-二氧代-2' ħ -螺[苯并[ d ] [1,3,7] oxadiazocine-4,3' - (1,4,2- benzodithiazine)]从3-氨基苯并二噻嗪1a,1b和isatoic酸酐开始合成‐2,6(1 H,5 H)-二酮衍生物2a,2b和3a,3b。随后2a与3-氯苯基异氰酸酯反应生成缩合产物4和5。化合物2a也被转化为3-(2-氨基苯甲酰胺基)-6-氯-7-甲基-1,1-二氧代-1,4,2-苯并二噻嗪衍生物6,7,8,9,10。讨论了反应机理。