期刊
ORGANIC LETTERS
卷 18, 期 5, 页码 908-911出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b03570
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资金
- National Natural Science Foundation of China [21302219]
- National S&T Pillar Program of China [2015BAK45B01]
- Fundamental Research Funds for the Central Universities (China Agricultural University) [2016QC040]
- Beijing National Laboratory of Molecular Sciences (BNLMS)
A self-relay rhodium(I)-catalyzed cyclization of alkyne-azides with two sigma-donor/pi-acceptor ligands (isonitriles and CO) to form sequentially multiple-fused heterocycle systems via tandem nitrene transformation and aza-Pauson-Khand cyclization has been developed. In this approach, an intriguing chemoselective insertion process of isonitriles superior to CO was observed. This reaction provides an alternative strategy to synthesize functionalized pyrrolo[2,3-b]indole scaffolds.
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