Reactions of electron-deficient alkynes and allenes under phosphine catalysis
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作者:
Lu, XY
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机构:
Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R ChinaChinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
Lu, XY
[1
]
Zhang, CM
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Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R ChinaChinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
Zhang, CM
[1
]
Xu, ZR
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Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R ChinaChinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
Xu, ZR
[1
]
机构:
[1] Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
The development of some new synthetic reactions derived from nucleophilic addition of phosphines to electron-deficient carbon-carbon triple bonds is described. These reactions show that the phosphine plays the role of a nucleophile as well as an excellent leaving group. The central problem is to generate a 1,3-dipole from atkynoates or allenoates; (2,3-butadienoates) by interaction with various phosphines. This study illuminates the unusual phenomena and shows how this understanding allows control of the reaction.