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Selective O-difluoromethylation of 1,3-diones using S-(difluoromethyl) sulfonium salt 被引量:2
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作者 Guo-Kai Liu Xin Li +4 位作者 Wen-Bing Qin Wei-Feng Lin Li-Ting Lin Jia-Yi Chen Jian-Jian Liu 《Chinese Chemical Letters》 SCIE CAS CSCD 2019年第8期1515-1518,共4页
A facile and highly efficient approach for selective O-difluoromethylation of 1,3-diones by recently developed bench-stable S-(difluoromethyl)sulfonium salt was described.And a broad range of difluoromthyl enol ethers... A facile and highly efficient approach for selective O-difluoromethylation of 1,3-diones by recently developed bench-stable S-(difluoromethyl)sulfonium salt was described.And a broad range of difluoromthyl enol ethers were readily accessed in good to excellent yields under mild reaction conditions.Mechanistic studies revealed that the O-difluoromethylation reaction proceeds mainly via a difluorocarbene pathway. 展开更多
关键词 DIFLUOROCARBENE difluoromethyl ENOL ethers 1 3-Diones O-difluoromethylation s-(difluoromethy)sulfonium salt
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