Journal
CHEMICAL COMMUNICATIONS
Volume 58, Issue 8, Pages 1171-1174Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc06566a
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Funding
- NSFC [21632003, 21871116]
- Key Program of Gansu Province [17ZD2GC011]
- 111'' Program from the MOE of P. R. China
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A selective C-C bond deconstruction/refunctionalization method via a photoredox/nickel dual catalysis has been developed, allowing a broad range of alkyl- and aryl-alkynes to react smoothly with cycloalkanols to yield distal, site-specific vinyl-substituted ketones with high yields and excellent regioselectivities. DFT calculations confirmed the electron-rich behavior of aromatics and weak Bronsted bases have a common effect on the photocatalytic oxidant ring-opening of cyclobutanols.
The selective C-C bond deconstruction/refunctionalization via a photoredox/nickel dual-catalyzed hydroalkylation of alkynes is developed under mild reaction conditions. In this protocol, a broad range of alkyl- and aryl-alkynes could react smoothly with cycloalkanols, affording the corresponding distal and site-specific vinyl-substituted ketones with high yields and excellent regioselectivities. Moreover, DFT calculations verified that the electron-rich behavior of aromatics and weak Bronsted bases have a common effect on the photocatalytic oxidant ring-opening of cyclobutanols.
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