2026-04-29T03:40:36Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/42752022-04-29T12:02:48Zcom_10259_3593com_10259_5086com_10259_2604col_10259_3594

Sanjuán Cortázar, Ana María 521 500 Virumbrales Ortiz, Cintia 578 500 0000-0003-0211-8988 García García, Patricia 0c6817a7-07ab-499f-877c-c534362475cd 500 Fernández Rodríguez, Manuel A. 174 500 Sanz Díez, Roberto 531 500 2016-11-21T11:34:32Z 2017-03-04T03:45:07Z 2016-03 1523-7060 http://hdl.handle.net/10259/4275 Gold(I)-catalyzed cycloisomerization of β,β-diaryl-o-(alkynyl)- styrenes at 80 °C selectively yields dihydroindeno[2,1-a]indenes in a transformation that encompasses a formal [4 + 1] cycloaddition and takes place through a cascade 5-endo-cyclization−diene activation−iso-Nazarov cyclization. In addition, by performing the reaction at 0 °C, the same substrates exclusively give rise to benzofulvene derivatives, which have also been shown to be intermediates in the formation of the tetracyclics. Junta de Castilla y León (BU237U13) and Ministerio de Economıá y Competitividad (MINECO) and FEDER (CTQ2013-48937-C2-1-P) application/pdf eng American Chemical Society ORGANIC LETTERS. 2016, V. 18, n. 5, p. 1072–1075 http://dx.doi.org/10.1021/acs.orglett.6b00191 Chemistry, Organic Química orgánica Formal [4 + 1] Cycloadditions of β,β-Diaryl-Substituted ortho-(Alkynyl)styrenes through Gold(I)-Catalyzed Cycloisomerization Reactions info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion info:eu-repo/semantics/openAccess THUMBNAIL Sanjuán-OL_ 2016.pdf.jpg Sanjuán-OL_ 2016.pdf.jpg IM Thumbnail image/jpeg 4185 https://riubu.ubu.es/bitstream/10259/4275/4/Sanjua%cc%81n-OL_%202016.pdf.jpg 716afe42bab174bc64a1cc106e9702ba MD5 4 ORIGINAL Sanjuán-OL_ 2016.pdf Sanjuán-OL_ 2016.pdf application/pdf 103339 https://riubu.ubu.es/bitstream/10259/4275/1/Sanjua%cc%81n-OL_%202016.pdf 3e84af985983ae84d2e256bc9449aa7e MD5 1 LICENSE license.txt license.txt text/plain; charset=utf-8 999 https://riubu.ubu.es/bitstream/10259/4275/2/license.txt b295bcbce42e2caabeb0c623d3860c06 MD5 2 TEXT Sanjuán-OL_ 2016.pdf.txt Sanjuán-OL_ 2016.pdf.txt Extracted text text/plain 18338 https://riubu.ubu.es/bitstream/10259/4275/3/Sanjua%cc%81n-OL_%202016.pdf.txt eb2086c48ecd0f2a012798790f540cab MD5 3 10259/4275 oai:riubu.ubu.es:10259/4275 2022-04-29 14:02:48.051 Repositorio Institucional de la Universidad de Burgos bubrep@ubu.es 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