2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane, (-)-

• Formula: C₃₁H₃₂O₂P₂
• Molecular weight: 498.5321
• IUPAC Standard InChI: InChI=1S/C31H32O2P2/c1-31(2)32-29(23-34(25-15-7-3-8-16-25)26-17-9-4-10-18-26)30(33-31)24-35(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-22,29-30H,23-24H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: VCHDBLPQYJAQSQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 32305-98-9
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: (-)-DIOP; (-)-1,4-Bis(diphenylphosphino)-2,3-O-isopropylidene-2,3-butanediol; (R,R)-DIOP; (4R,5R)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane; Phosphine, [(2,2-dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene)]bis[diphenyl-, (4R-trans)-; Phosphine, [(2,2-dimethyl-1,3-dioxolane-4,5-diyl)dimethylene]bis[diphenyl-, trans-(-)-; (-)-2,2-dimethyl-4,5-((diphenylphosphino)dimethyl)dioxolane; (-) 2,3-O-isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane
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• Information on this page:
  • Phase change data
  • References
  • Notes
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Wu, Tan, et al., 2000
Wu, Xin-Ming; Tan, Zhi-Cheng; Ji-Song, Yong; Meng, Shuang-He; Qu, Song-Sheng, Heat capacities and thermodynamic properties of (-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis (diphenylphosphino) butane [(-)-DIOP], Thermochimica Acta, 2000, 346, 1-2, 57-62, https://doi.org/10.1016/S0040-6031(99)00412-8 . [all data]

Notes

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• Symbols used in this document:
  

  ΔfusH

  Enthalpy of fusion

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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