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(R)-(-)-1,1'-Binaphthyl-2,2'-diyl hydrogenphosphate

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(R)-(-)-1,1'-Binaphthyl-2,2'-diyl hydrogenphosphate Basic information
(R)-(-)-1,1'-Binaphthyl-2,2'-diyl hydrogenphosphate Chemical Properties
  • Melting point:≥300 °C
  • alpha -607.5 º (c=1.4,MeOH)
  • Boiling point:619.5±38.0 °C(Predicted)
  • Density 1.49±0.1 g/cm3(Predicted)
  • refractive index -595 ° (C=1, MeOH)
  • storage temp. Refrigerator
  • solubility Solubility in hot Methanol, almost transparency.
  • pka1.14±0.20(Predicted)
  • form Powder
  • color white
  • optical activity[α]20/D 605°, c = 1.35 in methanol
  • BRN 4713363
  • CAS DataBase Reference39648-67-4(CAS DataBase Reference)
Safety Information
MSDS
(R)-(-)-1,1'-Binaphthyl-2,2'-diyl hydrogenphosphate Usage And Synthesis
  • Reaction
    1. Asymmetric hetero Diels-Alder reaction catalyzed by chiral lanthanide(III) complex.
    2. Highly efficient Mannich reaction.
    3. Acidic Resolving agent for certain amine/racemic mixtures.
  • Chemical Propertiesoff-white powder
  • Useschiral ligand for hydroxycarboxylations, complexes rhodium
  • UsesThe R enantiomer of binaphthol derivative as chiral quenching agent.
  • Purification MethodsRecrystallise it from EtOH. Reflux for 3hours in N NaOH is required to hydrolyse the cyclic phosphate. [Jacques et al. Tetrahedron Lett 4617 1971, Arnold et al. Tetrahedron 24, 343 1983.]
(R)-(-)-1,1'-Binaphthyl-2,2'-diyl hydrogenphosphate(39648-67-4)Related Product Information
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