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dc.contributor.authorPórtulas, Joanes_ES
dc.contributor.authorSánchez, Franciscoes_ES
dc.contributor.authorSánchez-Pardo, Josepes_ES
dc.date.accessioned2018-04-19T10:33:56Z-
dc.date.available2018-04-19T10:33:56Z-
dc.date.issued1976-10-
dc.identifier.citationTetrahedron Letters 17(40): 3617-3618 (1976)es_ES
dc.identifier.issn0040-4039-
dc.identifier.urihttp://hdl.handle.net/10261/163841-
dc.description2 pages, 1 tablees_ES
dc.description.abstractBecause of the versatile applications of the Wittig reaction, the Touer (1-nethoxycarbonylalkvl)triphenylphosphonium bromides 1 (R * H, Ne) are uell characterized, useful synthetic intermediates. The higher members of the series, however, have I not been isolated, with the exception of ethyl esters 1 (R * Et or n-Bu, ethyl esters instead of methyl esters)1, 2. On the other hand, the obvious preparation of salts 1, namely the reaction between triphenylphosphine 2 and a methyl 2-bromoalkanoate 3, has not been the subject of a systematic study, although it can be concluded from literature data that vigorous reaction conditions and/or long reaction times are needed for the preparation of the higher members of the series 3. Finally, it is also known that several salts of type 1 (R - H, Ph, Ac) can decompose thermally 4.5, givlng methyl bromide, carbon dioxide, ylid 6 and salt 7 (Scheme)-
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsclosedAccesses_ES
dc.titleThe reaction between triphenylphosphine and methyl 2-bromoalkanoateses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/S0040-4039(00)92975-7-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/S0040-4039(00)92975-7es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
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