Antioxidant BHT 264
CAS:128-37-0
Purity:99%
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Product Details
InChI:InChI=1/C19H22FN3O3.ClH/c1-2-21-5-7-22(8-6-21)17-10-16-13(9-15(17)20)18(24)14(19(25)26)11-23(16)12-3-4-12;/h9-12H,2-8H2,1H3,(H,25,26);1H
Starting with o-halobenzoyl chlorides 4 ...
2,4-dichloro-5-fluorobenzoyl chloride
Enrofloxacin hydrochloride
| Conditions | Yield |
|---|---|
|
Multi-step reaction with 5 steps
1: 62 percent / pyridine / dioxane / 1.) 2 h, room temperature, 2.) 1 h, 70 - 80 deg C.
2: 85 percent / potassium carbonate / dimethylformamide / 2 h / 140 - 150 °C
3: 92 percent / conc. H2SO4 / H2O; acetic acid / 1.5 h / Heating
4: 86 percent / dimethylsulfoxide / 2.5 h / 140 °C
5: conc. HCl / H2O / Heating
With
pyridine; hydrogenchloride; sulfuric acid; potassium carbonate;
In
1,4-dioxane; water; acetic acid; dimethyl sulfoxide; N,N-dimethyl-formamide;
|
|
|
Multi-step reaction with 8 steps
1: Mg/ethanol, CCl4 / ethanol; toluene / 1.) 0 to -5 deg C, 2.) 12 h, room temperature
2: p-toluenesulfonic acid / H2O / 5 h / Heating
3: acetic anhydride / 2 h / Heating
4: 92 percent / ethanol / 1 h / Ambient temperature
5: 90 percent / potassium carbonate / dimethylformamide / 2 h / 140 - 150 °C
6: 93 percent / conc. H2SO4 / H2O / 1.5 h / Heating
7: 86 percent / dimethylsulfoxide / 2.5 h / 140 °C
8: conc. HCl / H2O / Heating
With
hydrogenchloride; tetrachloromethane; ethanol; sulfuric acid; acetic anhydride; potassium carbonate; toluene-4-sulfonic acid; magnesium;
In
ethanol; water; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;
|
2,4-dichloro-5-fluorobenzoyl chloride
