Chemistry of 1, 2, 5-thiadiazoles. II. 3, 4-Disubstituted derivatives of 1, 2, 5-thiadiazole 1, 1-dioxide

RY Wen, AP Komin, RW Street…

文献索引：Wen,R.Y. et al. Journal of Organic Chemistry, 1975 , vol. 40, p. 2743 - 2748

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被引用次数: 21

摘要

13 12 give only the 3, 4-dimethoxy compound (vide infra). All three compounds gave correct analyses for C~ HGN~ O~ S and showed molecular ions at m/e 178 in their mass spectra. The structural assignments of 10 and 11 were made on the basis of ir and NMR spectra. The infrared spectrum of 12 showed a single band at 6.1 pm as expected for the C= N bonds, whereas 10 showed an amide carbonyl band at 5.7 pmI2 in addition to a 6.15-pm band. ...