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(R)-(+)-1,1′-Bi(2-naphthol)_Molecular_structure_CAS_18531-94-7)
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(R)-(+)-1,1′-Bi(2-naphthol)

Catalog No. 14383 Name Sigma Aldrich
CAS Number 18531-94-7 Website http://www.sigmaaldrich.com
M. F. C20H14O2 Telephone 1-800-521-8956
M. W. 286.32396 Fax
Purity ≥99.0% (sum of enantiomers, HPLC) Email
Storage Chembase ID: 70346

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 Pictograms GHS06
GHS Signal Word Danger
GHS Hazard statements H301-H319
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
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

REFERENCES