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Ring Expansion of Alkynyl Cyclopropanes to Highly Substituted Cyclobutenes via a N-Sulfonyl-1,2,3-Triazole Intermediate
Regioselective ring expansion of alkynyl cyclopropanes to highly substituted cyclobutenes was developed. The reaction involves a copper-catalyzed cycloaddition of an alkyne with an arylsulfonyl azide and a silver-catalyzed carbene formation followed by ring expansion of a cyclopropyl carbene interme...
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| Main Authors: | , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
2012
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3717254/ https://ncbi.nlm.nih.gov/pubmed/22864054 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1039/c2cc34609e |
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