期刊
CHINESE JOURNAL OF ORGANIC CHEMISTRY
卷 40, 期 11, 页码 3866-3872出版社
SCIENCE PRESS
DOI: 10.6023/cjoc202007005
关键词
2-alkynylnitriles; sodium sulfinate; 4-sulfonated cyclopenta[gh]phenanthridine; radical cyclization cascade
资金
- National Natural Science Foundation of China [21572072]
- Programme of Introducing Talents of Discipline to Universities (111 Project) [BC 2018061]
A convenient K2S2O8-initiated radical cascade cyclization for the construction of 4-sulfonated cyclopenta[gh]-phenanthridines from 2-alkynylnitriles and sodium sulfinates has been explored under metal-free conditions. This protocol features mild conditions, good functional group tolerance and broad substrate scope. A variety of potentially bioactive 4-sulfonated cyclopenta[gh]phenanthridines were facilely synthesized via direct annulation.
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