| 摘要 |
1,223,402. Sulphonamides. TOMS RIVER CHEMICAL CORP. 14 Jan., 1969 [16 Jan., 1968], No. 2159/69. Heading C2C. [Also in Division C4] In Examples 1 and 3 the compounds ethylene diamine - N,N - (4 - chloro - 3 - nitrobenzene - 1- sulphonamide) and p-phenylene diamine-N,N- (4 - chloro - 3 - nitrobenzene - 1 - sulphonamide) are prepared by reacting ethylene diamine or p-phenylene diamine with 4-chloro-3-nitrobenzene-1-sulphonyl chloride.
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