262359-83-1Relevant articles and documents
A new synthetic route to unsymmetrical 1,2-bis(phosphanyl)ethanes and 1,2-arsanyl(phosphanyl)ethanes with and without a stereogenic center
Fries, Guido,Wolf, Justin,Pfeiffer, Matthias,Stalke, Dietmar,Werner, Helmut
, p. 564 - 566 (2007/10/03)
A one-pot reaction affords unsymmetrical 1,2-bis(phosphanyl)ethanes 2 and 1,2-arsanyl(phosphanyl)ethanes 3 from the cyclic sulfate 1 in high yield. Similarly, chiral 1,2-bis(phosphanyl)ethanes and 1,3-bis(phosphanyl)propanes could be obtained in enantiomerically pure form. R, R'= alkyl, phenyl.