期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 70, 期 25, 页码 10292-10296出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo051299c
关键词
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资金
- NIGMS NIH HHS [R01 GM070620-01, GM070620, R01 GM070620] Funding Source: Medline
2,3-Disubstituted benzo[b]furans are readily prepared under very mild reaction conditions by the palladium/copper-catalyzed cross-coupling of various o-iodoanisoles and terminal alkynes, followed by electrophilic cyclization with I-2, PhSeCl, or P-P2NC6H4SCl. Aryl- and vinylic-substituted alkynes undergo electrophilic cyclization in excellent yields. Biologically important furopyridines can be prepared by this approach in high yields.
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