期刊
ORGANIC LETTERS
卷 21, 期 5, 页码 1488-1492出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b00281
关键词
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资金
- Ministry of Science and Technology of the People's Republic of China [2016YFA0602900]
- NSFC [21871096, 21672071]
- Guangdong Science and Technology Department [2018B030308007, 2018A030310359, 2016A030310433]
- Science and Technology Program of Guangzhou [201707010316]
A new strategy to obtain o-NQM intermediates through a ring-formation strategy by Ag(I)-catalyzed cyclization of 2-alkenylphenyl alkynyl ketones and its [4 + 2] annulations with styrenes has been developed. This reaction features high efficiency, mild reaction conditions, as well as flexible substitutions and atom economy. The obtained benzo[h]chromane products were further oxidized to naphthopyryliums, which displayed tunable photo physical properties.
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