Quaternary Phosphonium Carboxylates: Structure, Dynamics and Intriguing Olefination Mechanism
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Ion Pair
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AbstractWe have earlier shown how the Wittig chemistry can be done using novel Eigenbase phosphonium carboxylate reagents. Here we discuss the phenomenon of ion pairing, their solution tautomerism, solid-state structure, and mechanistic aspects of olefination. The results point to a complex process involving unfamiliar H-bond-driven ion-pair equilibria followed by standard Wittig reaction steps.
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2015 ◽
Vol 19
(5)
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pp. 469-474
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2001 ◽
Vol 2001
(9)
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pp. 2263-2269
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1990 ◽
Vol 86
(4)
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pp. 739
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1998 ◽
Vol 53
(5-6)
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pp. 625-627
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