4-[(6-甲氧基-1,3-苯并噻唑-2-基)偶氮]-N,N-二甲基苯胺合成路线 （共 2 条）
反应条件
1: 2-amino-6-methoxy-benzthiazole With nitrosyl-sulphuric acid; sulfuric acid in water
T=-0.16 - 19.84°C; 4 h;
2: With aminosulfonic acid in water
T=0°C;
3: N,N-dimethyl-aniline With sodium hydroxide in water
T=-0.16°C; pH=5 - 6; 1 h;
参考文献
CIBA SPECIALTY CHEMICALS HOLDING INC.
Patent: WO2005/97051 A2, 2005 ;
Location in patent: Page/Page column 44-45 ;
反应条件
(i) NaNO2, H2SO4, AcOH, (ii) /BRN= 507140/, aq. HCl; Multistep reaction;
参考文献
Yagupol'skii,L.M.; Gandel'sman,L.Z.
J. Gen. Chem. USSR (Engl. Transl.), 1963 , vol. 33, p. 2301 - 2307,2240 - 2245
