Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 21, Issue 6, Pages 1143-1147Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ob02115c
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Metal-free cascade reaction of NH-1,2,3-triazoles with one-carbon electrophiles, such as thiophosgene and triphosgene, generates N-vinylated ring cleavage products. N-vinylisothiocyanates can be synthesized from NH-triazoles and thiophosgene using this approach. A variety of multifunctional compounds, such as N-vinylcarbamates, unsymmetrical vinylureas, carbamothioates, etc. were prepared by a one-pot method from NH-triazoles, triphosgene, and nucleophiles.
Metal-free cascade reaction of NH-1,2,3-triazoles with one-carbon electrophiles, such as thiophosgene and triphosgene, led to N-vinylated ring cleavage products. Using this approach the synthesis of N-vinylisothiocyanates from NH-triazoles and thiophosgene was achieved. A variety of multifunctional compounds, such as N-vinylcarbamates, unsymmetrical vinylureas, carbamothioates, etc. was prepared by a one-pot method from NH-triazoles, triphosgene and nucleophiles.
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