Journal
CHEMICAL COMMUNICATIONS
Volume 58, Issue 18, Pages 3031-3034Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc06994b
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A novel and efficient radical-modulated difunctionalization of vinyl enynes has been achieved using TEMPO as a radical regulator, resulting in structurally diverse products. This represents the first example of metal-free difunctionalization of 1,3-enynes with high regioselectivity.
A novel and efficient radical-modulated difunctionalization of vinyl enynes has been disclosed using TEMPO as a radical regulator. Facile access to structurally diverse 3-bromo-naphthalen-1(2H)-ones and 4-bromo-allenic alcohols was realized via 1,2-addition/1,2-migration or 1,4-addition, respectively. This protocol represents the first example of radical-modulated metal-free difunctionalization of 1,3-enynes with high regioselectivity.
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