Research Article: (S)-(−)-5,5′-Bis(diphenyl­phosphino)-4,4′-bi-1,3-benzodioxole

Date Published: May 01, 2009

Publisher: International Union of Crystallography

Author(s): Ling-Yan Jian, Xiao-Jing He, Ya-Xin Sun, Qing-Hua Jiang, Xu Zhu.

http://doi.org/10.1107/S1600536809015335

Abstract

In the chiral title compound, C38H28O4P2, the intra­molecular P⋯P separation is 3.671 (2) Å and the dihedral angle between the two benzene rings in the biphenyl unit is 77.9 (2)°.

Partial Text

For background on asymmetric synthesis and catalysis using this type of chiral ligand, see: Horner et al. (1968 ▶); Aikawa et al. (2004 ▶). For the synthesis, see: Saito et al. (2001 ▶). For a related structure, see: Jones et al. (2003 ▶).

 

Source:

http://doi.org/10.1107/S1600536809015335

 

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