(R)-(+)-1,1′-Bi(2-naphthol)

• Catalog No.: 14383
• CAS Number: 18531-94-7
• M. F.: C20H14O2
• M. W.: 286.32396
• Purity: ≥99.0% (sum of enantiomers, HPLC)

SYNONYMS

• Title: (R)-(+)-1,1′-联(2-萘酚)
• IUPAC name: 1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol
• IUPAC Traditional name: 1,1'-bi-2-naphthol
• Synonyms: (+)-2,2′-二羟基-1,1′-联萘; (R)-BINOL; (+)-2,2′-Dihydroxy-1,1′-dinaphthyl; (R)-(+)-1,1′-Binaphthalene-2,2′-diol; (R)-(+)-1,1′-联萘-2,2′-二醇

DATABASE IDS

• PubChem SID: 24848614
• CAS Number: 18531-94-7
• Beilstein Number: 3616837
• MDL Number: MFCD00004068

PROPERTIES

• Grade: puriss.
• Linear Formula: HOC10H6C10H6OH
• Optical Purity: enantiomeric ratio: ≥99:1 (HPLC)
• Purity: ≥99.0% (sum of enantiomers, HPLC)
• Melting Point: 205-211 °C
• Melting Point: 208-210 °C(lit.)
• Optical Rotation: [α]20/D +35.5±2°, c = 1% in THF
• GHS Signal Word: Danger
• GHS Hazard statements: H301-H319
• European Hazard Symbols: Toxic (T)
• Personal Protective Equipment: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
• GHS Precautionary statements: P301 + P310-P305 + P351 + P338
• RID/ADR: UN 2811 6.1/PG 3
• Risk Statements: 25-36
• RTECS: DU3106100
• Safety Statements: 26-45
• Storage Temperature: 2-8°C
• Hazard Class: 6.1
• UN Number: 2811
• Packing Group: 3
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Atropisomeric diol with many applications: auxiliary in the enantioselective reduction of ketones;1,2 ligand in chiral titanium catalysts, used for enantioselective reactions, e.g.: glyoxylate ene reactions;3 Diels-Alder CA.4

Description (简体中文)

Other Notes
阻旋异构二醇具有多种用途：酮类不对称还原反应辅助剂；1,2手性钛催化剂配体，用于不对称反应，例如乙醛酸烯反应；3Diels-Alder 环加成反应。4