Ruthenium-catalyzed transformation of 3-benzyl but-1-ynyl ethers into 1,3-dienes and benzaldehyde via transfer hydrogen |
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| Authors: | Yeh Kuo-Liang Liu Bo Lai Yen-Ting Li Chia-Wen Liu Rai-Shung |
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| Affiliation: | Department of Chemistry, National Tsinh-Hua University, Hsinchu, Taiwan, ROC. |
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| Abstract: | TpRuPPh(3)(CH(3)CN)(2)PF(6) catalyzed the transformation of various 3-benzyl but-1-ynyl ethers into dienes and benzaldehyde at a catalyst loading of 5 mol %. This process represents an atypical pattern of transfer hydrogenation. This catalytic reaction can be applied to various derivatives of 2-ethynyl tetrahydrofurans and pyrans to cleave their ether rings and gives diene and tethered aldehyde functionalities, respectively. |
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