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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147253-67-6 (-)-1,2-Bis((2r,5r)-2,5-dimethylphospholano)benzene (r,r)-me-duphos

  • (-)-1,2-Bis((2r,5r)-2,5-dimethylphospholano)benzene (r,r)-me-duphos
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany ,Germany
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147253-67-6 (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene (R,R)-Me-DUPHOS

  • (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene (R,R)-Me-DUPHOS, 98+%
  • United States Strem Chemicals, Inc. [Manufacturer]
  • Tel: (978) 499-1600/ (800) 647-8736
  • Fax: (978) 465-3104
  • Address: 7 Mulliken Way
    Newburyport, MA 01950-4098 ,United States
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147253-67-6 (-)-1,2-BIS((2R,5R)-2,5-DIMETHYLPHOSPHOLANO)BENZENE, 98+% (R,R)-ME-DUPHOS

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147253-67-6 (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE; 98% (R,R)-ME-DUPHOS

  • China Shenzhen Meryer Chemical Technology Co., Ltd. [Manufacturer]
  • Tel: +86-(0)21-61259668
  • Fax: +86-(0)21-61259137
  • Address: Shenzhen Meryer Chemical Technology Co.Ltd.
    6/F, Building 4, Zizhu Science
    & Technology Park
    Dongchuan Road 555, Minhang District
    Shanghai, China 200241 ,China
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147253-67-6 Phospholane,1,1'-(1,2-phenylene)bis[2,5-dimethyl-, (2R,2'R,5R,5'R)-

  • Netherlands Brunschwig chemie [Importer/Exporter]
  • Tel: +31 (0)20 611 31 33
  • Fax: +31 (0)20 613 75 96
  • Address: Brunschwig chemie Hexaanweg 21041 AX Amsterdam Amsterdam,AmsterdamNetherlands
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147253-67-6 Phospholane,1,1'-(1,2-phenylene)bis[2,5-dimethyl-, (2R,2'R,5R,5'R)-

  • United States Acros Organics USA [Importer/Exporter]
  • Tel: 1 973 889 6363
  • Address: Belgium,USA Belgium,BelgiumUnited States
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147253-67-6 (-)-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene; 98% (R,R)-Me-DUPHOS

  • (-)-1,2-Bis[(2R,5R)-2,5-dimethylphospholano]benzene; 98% (R,R)-Me-DUPHOS
  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
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147253-67-6 (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene

  • (-)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)benzene, 98+% (R,R)-ME-DUPHOS
  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong ,Hong kong
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147253-67-6 (R)-METHYL DUPHOS

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
  • Tel: +86 25 8369-7070/ +86 138 51816776 (Mobile)
  • Fax: +86 25 8345-3275
  • Address: Rm.902 Longyin Plaza,
    No. 217 Zhongshan Rd.
    (N)Nanjing 210009,China ,China
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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.