期刊
ORGANIC LETTERS
卷 21, 期 21, 页码 8814-8818出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b03453
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资金
- China Scholarship Council (CSC) [201807040083]
- Australian Research Council [FT180100260]
- DAAD [57388073]
- UA [RG172186]
Cyclopropanation reactions of carbenes with arenes provide a straightforward pathway to norcaradienes or cyclo- heptatrienes. This reaction normally requires harsh reaction conditions or transition-metal catalysts. In this report, we describe the metal-free visible-light photolysis of aryl diazoacetates in aromatic solvents, which provides access to the norcaradiene ring system in a highly regio- and stereoselective manner. The mild reaction conditions of this approach also allow chemoselective cyclopropanation of substituted arenes without competing C-H functionalization reactions.
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