Synthetic routes to, transformations of, and rather surprising stabilities of (N-Methyl-N-phenylcarbamoyl)sulfenyl Chloride, ((N-Methyl-N-phenylcarbamoyl) dithio)carbonyl chloride, and related compounds

Alex M. Schrader, Alayne L. Schroll, George Barany

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

(Figure presented) The title compound classes, (carbamoyl)sulfenyl chlorides and ((carbamoyl)dithio)carbonyl chlorides, have been implicated previously as unstable, albeit trappable, intermediates in organosulfur chemistry. The presentwork reports for each of these functional groups: (i) several routes to prepare it in the N-methylaniline family; (ii) its direct structural characterization by several spectroscopic techniques; (iii) its rather unexpected stability and its ultimate fatewhen it decomposes; (iv) a series of further chemical transformations that give highly stable derivatives, each in turn subject to thorough characterization. Relevant kinetic and mechanistic experiments were carried out, including some with p-methyl- and 2,6-dimethyl-substituted N-methylanilines. Given that the title compounds can be isolated and are relatively stable, they may find applications in the preparation of thiolyzable and/or photolabile protecting groups for the sulfhydryl function of cysteine and for the development of new protein synthesis and modification reagents

Original languageEnglish (US)
Pages (from-to)7882-7892
Number of pages11
JournalJournal of Organic Chemistry
Volume76
Issue number19
DOIs
StatePublished - Oct 7 2011

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