期刊
ORGANIC LETTERS
卷 21, 期 9, 页码 3441-3445出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b01214
关键词
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资金
- MEXT, Japan [18H03911]
- Grants-in-Aid for Scientific Research [18H03911] Funding Source: KAKEN
An operationally simple and direct rhenium-catalyzed ortho-alkenylation (C-alkenylation) of unprotected phenols with alkynes was developed. The protocol provided ortho-alkenylphenols exclusively, and formation of para- or multiply alkenylated phenols and hydrophenoxylation (O- alkenylation) products were not observed. The [3 + 2 + 1] cycloaddition of phenols and two alkynes via ortho-alkenylation was also demonstrated, in which the alkynes functioned as both two- and one-carbon units. These reactions proceeded with readily available starting materials under neutral conditions without additional ligands.
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