(R)-(+)-2,2′-Bis(diphenylphosphino)-1,1′-binaphthalene

• Catalog No.: 14797
• CAS Number: 76189-55-4
• M. F.: C44H32P2
• M. W.: 622.672402

SYNONYMS

• Title: (R)-(+)-2,2′-双(二苯基膦)-1,1′-联萘
• IUPAC name: {1-[2-(diphenylphosphanyl)naphthalen-1-yl]naphthalen-2-yl}diphenylphosphane
• IUPAC Traditional name: binap
• Synonyms: (R)-(+)-(1,1′-联萘-2,2′-二基)双(二苯膦); (R)-(+)-(1,1′-Binaphthalene-2,2′-diyl)bis(diphenylphosphine); (R)-(+)-BINAP

DATABASE IDS

• Beilstein Number: 5321443
• PubChem SID: 24848869
• CAS Number: 76189-55-4
• MDL Number: MFCD00010805

PROPERTIES

• Empirical Formula (Hill Notation): C44H32P2
• Grade: puriss.
• Optical Purity: enantiomeric ratio: ≥99.5:0.5 (HPLC)
• Melting Point: 238-242 °C (dec.)
• Optical Rotation: [α]20/D +239±5°, c = 0.3% in toluene
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Chiral atropisomeric diphosphine; the rhodium and ruthenium complexes are employed for asymmetric hydrogenation and isomerization reactions 1,2,3; Preparation of BINAP-ruthenium dicarboxylate complexes 4

Description (简体中文)

Other Notes
手性阻旋异构双膦；铑和钌络合物可用于不对称氢化和异构化反应1,2,3；制备 BINAP-二羧酸钌络合物4