摘要 |
Title compds. (I)[R=(tetrazol-1-yl)methane, etc.; M=H, diphenyl methane, earth metals; X=(5-methyl-1,3,4-thiadiazol-2-yl) thiomethyl, etc. were prepd.. Thus, 36g 6-nitrobenzotriazole was dissolved in 300ml anhyd. THF and 28ml triethyl amine. The mixt. was cooled, treated with 21.6ml N,N-dimethyl-sulfamoyl chloride, and stirred for 12hr. Tri-ethylamine.HCl was removed, concd., treated with n-Hexane, stood up at 0 ≦̸C for 3hrs, and washed with petroleum ether to give 53g 1-dimethylsulfamoyl-6-nitrobenzo triazole.
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