Technology Process of 2,6,7,8-tetramethyl-3-γ-sulfopropylpyrrolo<2,3-g>benzothiazolium betaine
There total 4 articles about 2,6,7,8-tetramethyl-3-γ-sulfopropylpyrrolo<2,3-g>benzothiazolium betaine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
In
xylene;
Heating;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1) NaNO2, conc. hydrochloric acid, 2) SnCl2, conc. hydrochloric acid / 1) water, 0 - 2 deg C, 2) RT
2: conc. sulfuric acid, conc. hydrochloric acid / ethanol / 3 h / Heating
3: 75 percent / 50percent aq. NaOH / triethylbenzylammonium chloride / CH2Cl2 / 3 h / Ambient temperature
4: 70 percent / xylene / Heating
With
hydrogenchloride; sodium hydroxide; sulfuric acid; tin(ll) chloride; sodium nitrite;
N-benzyl-N,N,N-triethylammonium chloride;
In
ethanol; dichloromethane; xylene;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: conc. sulfuric acid, conc. hydrochloric acid / ethanol / 3 h / Heating
2: 75 percent / 50percent aq. NaOH / triethylbenzylammonium chloride / CH2Cl2 / 3 h / Ambient temperature
3: 70 percent / xylene / Heating
With
hydrogenchloride; sodium hydroxide; sulfuric acid;
N-benzyl-N,N,N-triethylammonium chloride;
In
ethanol; dichloromethane; xylene;