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

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 nitrogen inversion isomers which are in slow exchange. The crystallization of one of the isomers allowed us to...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2017-04, Vol.53 (33), p.4605-4608
Hauptverfasser:	Prades, Amparo, Núñez-Pertíñez, Samuel, Riera, Antoni, Verdaguer, Xavier
Format:	Artikel
Sprache:	eng
Schlagworte:	Asymmetry Backbone Catàlisi asimètrica Enantioselective catalysis Exchange Hydrazines Inversions Isomers Ligands Lligands Nitrogen
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