1962
DOI: 10.1021/jo01048a065
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Reactions of Carbonium Ions with Dithiooxamides

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Cited by 11 publications
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“…Instances of Nand S-alkylation have been noted on treatment of thioamides with alcohols or halides under acidic conditions although N-alkylation appears to be less common. 16 That S-alkylation had resulted in forming the imidothiolic ester (4a) was suggested chiefly by the chemical shift of the anisyl methylene protons in Me2SO-de when 1H NMR spectra were compared with those of various' available Sand jV-anisyl and benzyl compounds (Table II). XH NMR spectroscopy in TFA-d was less informative, the downfield shift of the S-anisyl methylene of 4a probably being the result of protonation of the neighboring iminium nitrogen.…”
mentioning
confidence: 99%
“…Instances of Nand S-alkylation have been noted on treatment of thioamides with alcohols or halides under acidic conditions although N-alkylation appears to be less common. 16 That S-alkylation had resulted in forming the imidothiolic ester (4a) was suggested chiefly by the chemical shift of the anisyl methylene protons in Me2SO-de when 1H NMR spectra were compared with those of various' available Sand jV-anisyl and benzyl compounds (Table II). XH NMR spectroscopy in TFA-d was less informative, the downfield shift of the S-anisyl methylene of 4a probably being the result of protonation of the neighboring iminium nitrogen.…”
mentioning
confidence: 99%