
Antioxidant BHT 264
CAS:128-37-0
Purity:99%
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Product Details
The invention relates to cycloalkyl-subs...
C23H20Cl2FN5O5S2
4-[2-(5-amino-1H-pyrazol-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(1,3-thiazol-4-yl)benzenesulfonamide
Conditions | Yield |
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With trifluoroacetic acid; In dichloromethane; at 20 - 25 ℃; for 24h; Inert atmosphere;
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31% |
5-chloro-2,4-difluorobenzene-1-sulfonyl chloride
4-[2-(5-amino-1H-pyrazol-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(1,3-thiazol-4-yl)benzenesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps
1.1: lithium hexamethyldisilazane / tetrahydrofuran / 1.5 h / -78 - 25 °C / Inert atmosphere
1.2: 17 h / -78 - 25 °C
2.1: potassium carbonate / N,N-dimethyl-formamide / 18 h / 40 °C / Inert atmosphere
3.1: trifluoroacetic acid / dichloromethane / 24 h / 20 - 25 °C / Inert atmosphere
With potassium carbonate; trifluoroacetic acid; lithium hexamethyldisilazane; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
|
5-chloro-2,4-difluorobenzene-1-sulfonyl chloride
methyl 5-chloro-2-methoxybenzoate
(5-chloro-2-methoxyphenyl)methanol
(5-chloro-2-methoxy-phenyl)-acetonitrile
4-[2-(5-amino-1H-pyrazol-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(1,3-thiazol-4-yl)benzenesulfonamide tosylate