4-Chlorobenzenesulfonamide synthesis
- Product Name:4-Chlorobenzenesulfonamide
- CAS Number:98-64-6
- Molecular formula:C6H6ClNO2S
- Molecular Weight:191.64
98-60-2
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98-64-6
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Yield:98-64-6 91.3%
Reaction Conditions:
with ammonium hydroxide in dichloromethane at 0 - 20; for 2 h;
Steps:
1.e Step e 4 - chlorobenzene preparation of sulfonamides
The chlorobenzene sulfonyl chloride (10 g, 1 eq) dissolved in 50 ml dichloromethane in, temperature control 0 °C following, slowly adding 40 ml (6 V) ammonia water, then completing the reaction at room temperature 2 h, precipitated solid. Filtered, washing the filter cake to the neutral, to obtain white solid 8.1 g
References:
CN104496896,2017,B Location in patent:Paragraph 0097; 0098
673-41-6
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98-64-6
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106-54-7
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98-64-6
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138-41-0
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98-64-6
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29083-03-2
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98-64-6
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