| Identification | More | [Name]
1,1'-Bi-2-naphthol | [CAS]
602-09-5 | [Synonyms]
1,1'-BI-2,2'-NAPHTHOLS
(+/-)-1,1'-BI(2-NAPHTHOL)
1,1'-BI-2-NAPHTHOL
(+/-)-1,1'-BINAPHTHALENE-2,2'-DIOL
[1,1']BINAPHTHALENYL-2,2'-DIOL
1,1'-BINAPHTHYL-2,2'-DIOL
(-)-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
(+)-2,2'-DIHYDROXY-1,1'-BINAPHTHYL
(+/-)-2,2-DIHYDROXY-1,1'-BINAPHTHYL
2,2'-DIHYDROXY-1,1'-BINAPHTHYL
(-)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL
(+)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL
(+/-)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL
2,2'-DIHYDROXY-1,1'-DINAPHTHYL
2,2'-DINAPHTHOL
AKOS 90560
AURORA KA-7212
BI-2-NAPHTHOL
DI-B-NAPHTHOL
(R)-(+)-1,1'-BI(2,2'-NAPHTHOL) | [EINECS(EC#)]
210-014-0 | [Molecular Formula]
C20H14O2 | [MDL Number]
MFCD00004068 | [Molecular Weight]
286.32 | [MOL File]
602-09-5.mol |
| Chemical Properties | Back Directory | [Appearance]
white to beige powder | [Melting point ]
215-218 °C
| [Boiling point ]
388.69°C (rough estimate) | [density ]
1g/cm | [refractive index ]
1.7580 (estimate) | [storage temp. ]
2-8°C
| [solubility ]
dioxane: 50 mg/mL, clear
| [form ]
Powder | [pka]
8.29±0.50(Predicted) | [color ]
White to beige | [Water Solubility ]
insoluble | [Detection Methods]
HPLC | [Merck ]
14,1226 | [BRN ]
997518 | [InChIKey]
PPTXVXKCQZKFBN-UHFFFAOYSA-N | [CAS DataBase Reference]
602-09-5(CAS DataBase Reference) | [NIST Chemistry Reference]
| [Storage Precautions]
Moisture sensitive;Store under nitrogen | [EPA Substance Registry System]
602-09-5(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
T,Xi | [Risk Statements ]
R25:Toxic if swallowed.
R36:Irritating to the eyes.
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing . | [RIDADR ]
UN 2811 6.1/PG 3
| [WGK Germany ]
3
| [RTECS ]
DU3106100
| [F ]
10 | [TSCA ]
Yes | [HazardClass ]
6.1 | [PackingGroup ]
III | [HS Code ]
29072900 | [Toxicity]
LDLo orl-mus: 42 mg/kg AECTCV 14,111,85 |
| Raw materials And Preparation Products | Back Directory | [Preparation Products]
1.1'-Binaphthyl-2.2'-diphemyl phosphine-->2-BROMO-1,1-BINAPHTHYL-->DINAPHTHO[1,2-B:1',2'-D]FURAN-->2,2'-DIBROMO-1,1'-BINAPHTHYL-->(R)-(+)-2,2'-BIS(METHOXYMETHOXY)-1,1'-BINAPHTHYL-->PORPHINE-->7H-DIBENZO[C,G]CARBAZOLE-->Ethanol, 2,2'-[(1R)-[1,1'-binaphthalene]-2,2'-diylbis(oxy)]bis--->PHOSPHINE OXIDE, [1,1'-BINAPHTHALENE]-2,2'-DIYLBIS-->2-CHLORO-1-(3-CHLORO-PHENYL)-ETHANOL
|
| Hazard Information | Back Directory | [Chemical Properties]
white to beige powder | [Uses]
1,1'-Bi-2-naphthol is used as a chiral ligand in alkynylation, Diels-Alder and assymmetric Michael addition reactions.
| [Definition]
ChEBI:(S)-(-)-1,1'-Bi-2-naphthol is a member of naphthols. | [Synthesis Reference(s)]
Tetrahedron, 48, p. 9483, 1992 DOI: 10.1016/S0040-4020(01)88316-2
Tetrahedron Letters, 24, p. 3261, 1983 DOI: 10.1016/S0040-4039(00)88151-4 | [reaction suitability]
reagent type: ligand | [Safety Profile]
Poison by ingestion. When heatedto decomposition it emits acrid smoke and irritatingvapors. | [Purification Methods]
Crystallise the binaphthol from toluene or *benzene (10mL/g). When crystallised from chlorobenzene it has m 238o. Its solubility in dioxane is 5%. [Beilstein 6 IV 7020.] |
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