期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 129, 期 31, 页码 9568-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja072992f
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资金
- NIGMS NIH HHS [R01 GM057014, R01 GM057014-02] Funding Source: Medline
A new chiral N-heterocyclic carbene ligand has been prepared and examined in nickel-catalyzed, asymmetric reductive couplings of aldehydes and alkynes. In comparison with related structures that have been largely examined in asymmetric ring-closing metathesis reactions, the new ligand provides superior yields and enantioselectivities in the nickel-catalyzed reductive couplings. The scope of asymmetric couplings in intermolecular variants as well as a 14-membered macrocyclization is illustrated.
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