Basic information Reaction Safety Supplier Related

(+)-1,2-Bis[(2R,5R)-2,5-diisopropylphospholano]benzene

Basic information Reaction Safety Supplier Related

(+)-1,2-Bis[(2R,5R)-2,5-diisopropylphospholano]benzene Basic information

Product Name:
(+)-1,2-Bis[(2R,5R)-2,5-diisopropylphospholano]benzene
Synonyms:
  • (R,R)-I-PR-DUPHOS
  • (+)-1,2-BIS((2R,5R)-2,5-DI-I-PROPYLPHOSPHOLANO)BENZENE
  • (+)-1,2-BIS[(2R,5R)-2,5-DIISOPROPYLPHOSPHOLANO]BENZENE
  • BisRRdiipropylphospholanobenzene
  • (+)-1,2-Bis[(2R, 5R)-2,5-diisopropylphospholano]benzene, Kanata purity
  • (+)-1,2-Bis((2R,5R)-2,5-di-i-propylphospholano)benzene,98+%(R,R)-i-Pr-DUPHOS
  • 1,2-Bis[(2R,5R)-2,5-diisopropyl-1-phospholanyl]benzene, 97+%
  • (+)-1,2-Bis((2R,5R)-2,5-di-i-propylphospholano)benzene (R,R)-i-Pr-DUPHOS
CAS:
136705-65-2
MF:
C26H44P2
MW:
418.58
Product Categories:
  • organophosphine ligand
Mol File:
136705-65-2.mol
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(+)-1,2-Bis[(2R,5R)-2,5-diisopropylphospholano]benzene Chemical Properties

Melting point:
40°C
alpha 
+85° (c 1, hexane)
Boiling point:
502.0±20.0 °C(Predicted)
refractive index 
n20/D 1.5701
Flash point:
>110°(230°F)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
form 
crystal
color 
white
optical activity
[α]20/D +103°, c = 1 in chloroform
Water Solubility 
Insoluble in water.
Sensitive 
Air Sensitive
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
26-36/37/39
WGK Germany 
3
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(+)-1,2-Bis[(2R,5R)-2,5-diisopropylphospholano]benzene Usage And Synthesis

Reaction

  1. The DUPHOS family of catalysts is highly efficient for the asymmetric hydrogenation of various substituted acetamidoacrylates and enol acetates yielding products of high enantiomeric excesses. Efficient ligand for the asymmetric hydrogenation of tetrasubstituted enamides.
  2. Forms superior catalysts for asymmetric reductive aminations.
  3. Catalyst used for the asymmetric hydrogenation of enol phosphonates.
  4. A novel enantioselective synthesis of β-amino alcohols and 1,2-diamines. 

Uses

It is used as ligands like DuPhos and BPE ligands and are highly efficient privileged ligands.

Uses

DuPhos and BPE Ligands: Highly Efficient Privileged Ligands

General Description

Optical rotation devation ± 13

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