期刊
CHEMICAL COMMUNICATIONS
卷 47, 期 7, 页码 2164-2166出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc04879h
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资金
- National Natural Science Foundation of China [20902084]
- Science and Technology Office in Zhejiang Province [2010R10016]
- Zhejiang Normal University
A highly efficient and selective synthesis of (1E)- or (1Z)-1,2-dihalo-1,4-dienes via Pd-catalyzed coupling of haloalkynes and allylic halides is described. The (1E)-1,2-dihalo-1,4-dienes were generated in good yields with excellent stereoselectivities (1E/1Z up to > 98/2), while (1Z)-1,2-dihalo-1,4-dienes were produced in excellent yields and stereoselectivities (1Z/1E up to > 98/2) by simply adding stoichiometric lithium halides.
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