Synthesis and structure of N-(diaminomethylidene)- and N-[bis(cyclohexylamino)methylidene]trifluoromethanesulfonamides

被引：0
|
作者：
L. L. Tolstikova
N. N. Chipanina
L. P. Oznobikhina
B. A. Shainyan
机构：
[1] Russian Academy of Sciences,Favorskii Irkutsk Institute of Chemistry, Siberian Division
来源：
Russian Journal of Organic Chemistry | 2011年 / 47卷
关键词：
Methylidene; Trifluoromethanesulfonic Acid; Methanesulfonamide; Cyclohexylamino; Trifluoromethanesulfonamide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
N-Trifluoromethylsulfonyl-substituted guanidines CF3SO2N=C(NHR)2 (R = H, cyclohexyl) were synthesized in nearly quantitative yield by reactions of N-sulfinyltrifluoromethanesulfonamide CF3SO2N=S=O with urea and of trifluoromethanesulfonamide with N,N′-dicyclohexylcarbodiimide. N-[Bis(cyclohexylamino)-methylidene]trifluoromethanesulfonamide was subjected to protonation with trifluoromethanesulfonic acid and bis(trifluoromethanesulfonyl)imide, and the structure of the resulting salts and initial N-trifluoromethylsulfonylguanidines was studied by NMR and IR spectroscopy and DFT quantum-chemical calculations.
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页码：1278 / 1283
页数：5
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