Stereospecific Migration of P from N to C sp 2: Ring-Expansion Reaction of Chiral Diazaphospholidine Oxides.

Angew Chem Int Ed Engl

Ecole Nationale Supérieure de Synthèses, de Procédés et d'Ingénierie Chimiques d'Aix Marseille, UMR CNRS 6516, Faculté de St Jérôme, Av. Escadrille Normandie Niemen F-13397 Marseille, Cedex 20 (France), Fax: (+33) 4-91-02-77-76.

Published: May 1999

An addition-pseudorotation-elimination pathway is proposed for the first stereospecific ring-expansion reaction of chiral diazaphospholidine oxides by a 1,3-migration of P from N to C sp 2 [Eq. (1)]. R=H, Ph; LDA=lithium diisopropylamide.

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http://dx.doi.org/10.1002/(SICI)1521-3773(19990517)38:10<1479::AID-ANIE1479>3.0.CO;2-GDOI Listing

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