Journal
ORGANIC LETTERS
Volume 21, Issue 23, Pages 9487-9492Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b03684
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Funding
- Henan University
- National Natural Science Foundation of China [21801061]
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The intermolecular deacylative coupling of unstrained ynones via C-C bond activation was accomplished by a CuCl-bpy system under mild reaction conditions. This protocol features facile cleavage of the C-C bond at room temperature, broad substrate scope, and efficient construction of important symmetric and unsymmetrical 1,3-diyne adducts through homo or cross coupling of ynones, respectively. The preliminary mechanistic investigations indicated that an acyl copper(III) complex is likely involved in this process.
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