P-Stereogenic bisphosphines with a hydrazine backbone: from N-N atropoisomerism to double nitrogen inversion

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RECERCAT Home > Universitat de Barcelona > Química Inorgànica i Orgànica > Articles publicats en revistes (Química Inorgànica i Orgànica) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/110002

dc.contributor	Universitat de Barcelona
dc.contributor.author	Prades, Amparo
dc.contributor.author	Núñez-Pertíñez, Samuel
dc.contributor.author	Riera i Escalé, Antoni
dc.contributor.author	Verdaguer i Espaulella, Xavier
dc.date	2017-04-24T12:27:09Z
dc.date	2017-03-31
dc.date	2017-04-24T12:27:09Z
dc.identifier.citation	1359-7345
dc.identifier.citation	670822
dc.identifier.uri	http://hdl.handle.net/2445/110002
dc.format	20 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Royal Society of Chemistry
dc.relation	Reproducció del document publicat a: https://doi.org/10.1039/C7CC01944K
dc.relation	Chemical Communications, 2017, vol. 53, p. 4605-4608
dc.relation	https://doi.org/10.1039/C7CC01944K
dc.rights	CC BY (c) Prades, Amparo et al., 2017
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by/3.0/
dc.subject	Lligands
dc.subject	Catàlisi asimètrica
dc.subject	Ligands
dc.subject	Enantioselective catalysis
dc.title	P-Stereogenic bisphosphines with a hydrazine backbone: from N-N atropoisomerism to double nitrogen inversion
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The synthesis of P-stereogenic bisphosphine ligands starting from a phosphinous acid chiral synthon and hydrazine is reported. The dialkylation of the hydrazine backbone yielded atropo- and nitrogeninversion isomers which are in slow exchange. The crystallization of one of the isomers allowed us to study the reaction kinetics of the equilibria. The new ligands were tested in the Rh catalysed asymmetric hydrogenation of various benchmark substrates attaining up to 99% ee.

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