2024-03-28T17:05:35Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/51772022-05-20T13:23:34Zcom_10259_3593com_10259_5086com_10259_2604col_10259_3594
Cabrera Lobera, Natalia
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Velasco Pérez, Noelia
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Sanz Díez, Roberto
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Fernández Rodríguez, Manuel A.
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2019-11-13T08:45:15Z
2019-11-13T08:45:15Z
2019-08
0040-4020
http://hdl.handle.net/10259/5177
10.1016/j.tet.2019.05.023
10.1016/j.tet.2019.05.023
A practical and environmentally benign Brønsted acid−catalyzed protocol for the preparation of all-carbon tetrasubstituted allenes, consisting in the direct SNˈ addition of tri- or dimethoxy arenes or allyltrimethylsilane to tertiary propargylic alcohols, has been developed. In addition, a straightforward synthesis of densely substituted 2H-chromenes by metal-free tandem allenylation/heterocyclization reaction of methoxyphenols and tertiary alkynols is presented.
Junta de Castilla y León and FEDER (BU291P18) and Ministerio de Economía y Competitividad (MINECO) and FEDER (CTQ2016-75023-C2-1-P)
application/pdf
eng
Elsevier
Tetrahedron. 2019, V. 75, n. 31, p. 4071-4080
https://doi.org/10.1016/j.tet.2019.05.023
info:eu-repo/grantAgreement/JCyL/BU291P18
info:eu-repo/grantAgreement/MINECO/CTQ2016-75023-C2-1-P
http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
info:eu-repo/semantics/openAccess
Allenes
Brønsted acid catalysis
Propargylic alcohols
2H-chromenes
Nucleophilic substitution
Química orgánica
Chemistry, Organic
Brønsted acid−catalyzed synthesis of tetrasubstituted allenes and polysubstituted 2H-chromenes from tertiary propargylic alcohols
info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
TEXT
Cabrera-tetrahedron.pdf.txt
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2022-05-20 15:23:34.016
Repositorio Institucional de la Universidad de Burgos
bubrep@ubu.es
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