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503538-68-9

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503538-68-9 Structure

503538-68-9 Structure
IdentificationBack Directory
[Name]

R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN
[CAS]

503538-68-9
[Synonyms]

(S)-SYNPHOS(R)
(R)-SYNPHOS(R)
(R)-SYNPHOS(TM)
(S)-SYNPHOS(TM)
(s)-synphos®
S-(-)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN
R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN
(R)-(+)-[(5,6),(5',6')-BIS(ETHYLENEDIOXY)BIPHENYL-2,2'-DIYL](DIPHENYLPHOSPHINE)
(S)-(-)-[(5,6),(5',6')-BIS(ETHYLENEDIOXY)BIPHENYL-2,2'-DIYL](DIPHENYLPHOSPHINE)
(S)-(-)-[(5,6),(5',6')-Bis(ethylenedioxy) biphenyl-2,2'-diyl](diphenylphosphine),98%
S-(-)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin (S)-SYNPHOS 503538-68-9
S-(-)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin, min. 97% (S)-SYNPHOS(TM)
[Molecular Formula]

C40H32O4P2
[MDL Number]

MFCD05861608
[MOL File]

503538-68-9.mol
[Molecular Weight]

638.63
Chemical PropertiesBack Directory
[Appearance]

White crystalline powder
[Melting point ]

>260 °C
[Boiling point ]

738.4±60.0 °C(Predicted)
[storage temp. ]

Refrigerator (+4°C)
[form ]

Powder
[color ]

white
Hazard InformationBack Directory
[Chemical Properties]

White crystalline powder
Safety DataBack Directory
[HS Code ]

29310099
Questions and Answers (Q&A)Back Directory
[Reactions]

  1. A chiral diphosphine ligand used in the highly-enantioselective hydrogenation of ketoesters, hydroxyketones, ketophosphonates and succinates.
  2. A ligand used for the dynamic kinetic resolution of α,β−unsaturated lactones via asymmetric copper-catalyzed conjugate reduction.
  3. Used in the intramolecular Heck reaction for the synthesis of diterpenoids.
  4. Used in asymmetric Pauson-Khand reaction.
  5. Used in asymmetric iminonitroso Diels-Alder reaction.
  6. Palladium catalyzed asymmetric hydrogenation of N-tosyl ketimines
Reactions of 503538-68-9
Spectrum DetailBack Directory
[Spectrum Detail]

R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN(503538-68-9)1HNMR
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