Synthesis of o-Sulfamidotriazobenzenes from 1, 1'-Sulfonylbis (benzotriazole)
…, L Khelashvili, KNB Le, PP Mohapatra…
文献索引：Katritzky, Alan R.; Khelashvili, Levan; Le, Khanh N. B.; Mohapatra, Prabhu P.; Steel, Peter J. Journal of Organic Chemistry, 2007 , vol. 72, # 15 p. 5805 - 5808
Easily accessible 1, 1'-sulfonylbis (benzotriazole)(Bt2SO2, 1) reacts with secondary amines at room temperature to afford (i) the corresponding o-sulfamidotriazobenzenes 2a-d (53- 75%) via concurrent substitution of the first and ring opening of the second benzotriazolyl group and (ii) N-sulfonylbenzotriazoles 3b, c, e, f (7-73%). 1-(Morpholine-4-sulfonyl)-1 H- benzotriazole 3c reacts with piperidine, pyrolidine, and N-methylpiperazine under ...
