C-H bond functionalization via hydride transfer: synthesis of dihydrobenzopyrans from ortho-vinylaryl akyl ethers.
C-H bond functionalization via hydride transfer: synthesis of dihydrobenzopyrans from ortho-vinylaryl akyl ethers.
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DOI：
10.1021/ol900915p
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发表时间：
2009-07-16
期刊：
影响因子：
5.2
通讯作者：
Sames D
中科院分区：
文献类型：
--
作者：
McQuaid KM;Long JZ;Sames D
The hydride transfer initiated cyclization (“HT-cyclization”) of aryl alkyl ethers, which leads to direct coupling of sp C-H bonds and activated alkenes, is reported. Readily available salicylaldehyde derived ethers are converted in one step to dihydrobenzopyrans, an important class of heteroarenes frequently found in biologically active compounds. This process has not been previously reported in contrast to known HT-cyclizations of the corresponding tert-amines (“tert-amino effect” reactions).
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