期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 133, 期 45, 页码 18018-18021出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja208162w
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资金
- MEXT [21245028, 23105546]
- Grants-in-Aid for Scientific Research [21245028] Funding Source: KAKEN
Pyridines, which comprise one of the most important classes of the six-membered heterocyclic compounds, are widely distributed in nature, and the transition-metal-catalyzed [2 + 2 + 2] cycloaddition reaction of two alkynes and a nitrile is one of the most powerful methods for preparing versatile, highly substituted pyridine derivatives. However, the lack of chemo- and regioselectivity is still a crucial issue associated with fully intermolecular [2 + 2 + 2] cycloaddition. The present study developed the Ni(0)-catalyzed intermolecular dehydrogenative [4 + 2] cycloaddition reaction of 1,3-butadienes with nitrites to give a variety of pyridines regioselectively.
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