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Molecules 1999, 4(7), 219-231;

Reactivity of a-Oxophosphonium Ylides: A Contribution to the Mechanistics

Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade de Coimbra, 3000 Coimbra, Portugal
Author to whom correspondence should be addressed.
Received: 9 June 1999 / Accepted: 29 June 1999 / Published: 17 July 1999
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Ylides 1f and 1g react with chlorine, with bromine and with N-chlorosuccinimide in the presence of a range of nucleophiles. The 2,3-disubstitutedbutenedioates obtained in this way allow us to gather more information about the mechanism involved. Ylide 1c was also studied showing similar reactivity and leading to the highly selective synthesis of 2,3-disubstituted-3-phenylpropenoates. View Full-Text
Keywords: phosphorus ylides; tetrasubstituted alkenes phosphorus ylides; tetrasubstituted alkenes

Figure 1

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Pinho e Melo, T.M.; D’A. Rocha Gonsalves, A.M.; Carrapato, S.M.S.; Taborda, A.M.O.M.P. Reactivity of a-Oxophosphonium Ylides: A Contribution to the Mechanistics. Molecules 1999, 4, 219-231.

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