Home > Name List By other > (2R,5R)-1-[2-[(2R,5R)-2,5-dimethylphospholan-1-yl]phenyl]-2, 5-dimethylphospholane

CAS No 147253-67-6 , (2R,5R)-1-[2-[(2R,5R)-2,5-dimethylphospholan-1-yl]phenyl]-2,
5-dimethylphospholane

  • Name: (2R,5R)-1-[2-[(2R,5R)-2,5-dimethylphospholan-1-yl]phenyl]-2,
    5-dimethylphospholane
  • Synonyms: (2R,5R)-1-[2-[(2R,5R)-2,5-dimethylphospholan-1-yl]phenyl]-2,
    5-dimethylphospholane; (-)-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene;(R,R)-Methyl-DUPHOS;
  • CAS Registry Number:
  • Melting Point: 66-76 °C
  • Flash Point: 216.3°C
  • Boiling Point: 415°C at 760 mmHg
  • Safety Statements: S22S24/25
  • Flash Point: 216.3°C
  • Molecular Weight: 306.362444
  • InchiKey: AJNZWRKTWQLAJK-KLHDSHLOSA-N
  • InChI: InChI=1S/C18H28P2/c1-13-9-10-14(2)19(13)17-7-5-6-8-18(17)20-15(3)11-12-
    16(20)4/h5-8,13-16H,9-12H2,1-4H3/t13-,14-,15-,16-/m1/s1
  • Risk Statements: S22-24/25 :;
  • Molecular Formula: C18H28P2
  • Molecular Structure:CAS No:147253-67-6 (2R,5R)-1-[2-[(2R,5R)-2,5-dimethylphospholan-1-yl]phenyl]-2,<br />5-dimethylphospholane

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References of (2R,5R)-1-[2-[(2R,5R)-2,5-dimethylphospholan-1-yl]phenyl]-2,
5-dimethylphospholane
Title: DuPHOS
Literature References: Series of chiral bis(phospholane) compounds with C2 symmetry used as rhodium complexes for catalysis. Prepn: M. J. Burk, J. Am. Chem. Soc. 113, 8518 (1991); and configuration: idem et al., ibid. 115, 10125 (1993). Use in asymmetric synthesis of warfarin: A. Robinson et al, Tetrahedron Lett. 37, 8321 (1996); hydrogena-tions of b-(acylamino)acrylates: G. Zhu et al., J. Org. Chem. 64, 6907 (1999).
 
Derivative Type: (R,R)-Me-DuPHOS
CAS Registry Number: 147253-67-6
CAS Name: [2R-[1(2￠R*,5￠R*),2a,5b]]-1,1￠-(1,2-Phenylene)bis[2,5-dimethylphospholane]
Molecular Formula: C18H28P2
Molecular Weight: 306.36
Percent Composition: C 70.57%, H 9.21%, P 20.22%
 
Derivative Type: (S,S)-Me-DuPHOS
CAS Registry Number: 136735-95-0
Synonyms: (S,S)-1,2-Bis(2,5-dimethylphospholano)benzene
Molecular Formula: C18H28P2
Molecular Weight: 306.36
Percent Composition: C 70.57%, H 9.21%, P 20.22%
Properties: Colorless crystals from methanol, mp 79-81°. [a]D25 +476± 5° (c = 1 in hexane).
Melting point: mp 79-81°
Optical Rotation: [a]D25 +476± 5° (c = 1 in hexane)
 
Derivative Type: (R,R)-Et-DuPHOS
CAS Registry Number: 136705-64-1
CAS Name: (2R,2￠R,5R,5￠R)-1,1￠-(1,2-Phenylene)bis[2,5-diethylphospholane]
Molecular Formula: C22H36P2
Molecular Weight: 362.47
Percent Composition: C 72.90%, H 10.01%, P 17.09%
Properties: Colorless oil. [a]D25 -265° (c = 1 in hexane). bp0.045 138-145°.
Boiling point: bp0.045 138-145°
Optical Rotation: [a]D25 -265° (c = 1 in hexane)
 
Use: Catalyst for asymmetric hydrogenations.