3-Chloro-4-nitrobenzonitrile
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3-Chloro-4-nitrobenzonitrile
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CAS No:
34662-29-8
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Formula:
C7H3ClN2O2
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Chemical Name:
3-Chloro-4-nitrobenzonitrile
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Synonyms:
Benzonitrile,3-chloro-4-nitro-;3-Chloro-4-nitrobenzonitrile;4-Nitro-3-chlorobenzonitrile;2-Chloro-4-cyano-1-nitrobenzene
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CAS No:
3-Chloro-4-nitrobenzonitrile Use and Manufacturing
A suspension of sodium borate tetrahydrate (32.5 g, 211.2 mmol) in 195 ml of acetic acid was heated until the temperature of the reaction mixture was above 50° C. The reaction temperature was kept this way while 2-chloro-4-cyanoaniline (5.93 g, 38.9 mmol) was added in portions over 1 h. Stirring and heating were continued for 2 hours on an oil bath of 62° C. After cooling to room temperature the reaction mixture was poured into 1 L icewater. The aqueous layer was extracted with Et