期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 360, 期 10, 页码 1949-1953出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201701587
关键词
Triazole; Sulfur Salt; Multicomponent Reaction; Cycloaddition; Organic Catalyst
资金
- National Natural Science Foundation of China [21172019]
A metal-free domino reaction was developed for efficient synthesis of 4,5-disubstituted 1,2,3-(NH)-triazoles by sequentially coupling sulfur salts with aldehydes and sodium azide. In the presence of L-proline, olefinic sulfur salt intermediates rather than epoxides are formed insitu via the coupling of sulfur salts with aldehydes and cyclize with azide ion. This process features mild conditions, high efficiency, commercially available starting materials, and wide substrate scope.
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