doi: 10.1021/ol800380t.
Epub 2008 Apr 11.
Rhodium-catalyzed borylative cyclization of 2-alkynylaryl isocyanates with bis(pinacolato)diboron
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- PMID: 18402456
- DOI: 10.1021/ol800380t
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Rhodium-catalyzed borylative cyclization of 2-alkynylaryl isocyanates with bis(pinacolato)diboron
Org Lett.
.
Abstract
2-alkynylaryl isocyanates reacted with bis(pinacolato)diboron in the presence of a cationic rhodium(I) catalyst to produce borylated 3-alkylideneoxindoles stereoselectively. The carbon-boron linkage formed was further transformed via reactions such as a cross-coupling and a halogenation reaction.
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