(R)-(+)-1,1'-Bi-2-naphthol

ChemicalBook > CAS DataBase List > (R)-(+)-1,1'-Bi-2-naphthol

(R)-(+)-1,1'-Bi-2-naphthol

Product Name: (R)-(+)-1,1'-Bi-2-naphthol
CAS No.: 18531-94-7
Chemical Name: (R)-(+)-1,1'-Bi-2-naphthol
Synonyms: (R)-BINOL;(R,S)-BINOL;1,1'-BINAPHTHYL-2,2'-DIOL;(+)-BINOL;AKOS 90560;DI-B-NAPHTHOL;BI-2-NAPHTHOL;(R)-(+)-BINOL;AURORA KA-7212;2,2'-DINAPHTHOL
CBNumber: CB3380426
Molecular Formula: C20H14O2
Formula Weight: 286.32
MOL File: 18531-94-7.mol

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(R)-(+)-1,1'-Bi-2-naphthol Property

Melting point:: 215-218 °C
alpha: 35.5 º (c=1, THF)
Boiling point:: 388.69°C (rough estimate)
Density: 1.301
refractive index: 36.0 ° (C=1, THF)
storage temp.: Store below +30°C.
solubility: dioxane: 50 mg/mL, clear
form: Powder
pka: 8.29±0.50(Predicted)
color: white to off-white
optical activity: [α]21/D +34°, c = 1 in THF
Water Solubility: Insoluble in water. Solubility in THF within almost transparency). Soluble in dioxane 50 mg/mL.
Merck: 14,1226
BRN: 3616837
CAS DataBase Reference: 18531-94-7(CAS DataBase Reference)

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Safety

Hazard Codes: T,Xi
Risk Statements: 25-36-36/37/38
Safety Statements: 26-45-24/25-36
RIDADR: UN 2811 6.1/PG 3
WGK Germany: 3
RTECS: DU3106100
F: 10
TSCA: No
HazardClass: 6.1
PackingGroup: III
HS Code: 29071590
Toxicity: LD50 orally in Rabbit: 113 mg/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 8.14774
Product name: (R)-(+)-1,1′-Binaphthyl-2,2′-diol
Purity: forsynthesis
Packaging: 1g
Price: $34.5
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.14774
Product name: (R)-(+)-1,1′-Binaphthyl-2,2′-diol
Purity: forsynthesis
Packaging: 10g
Price: $101
Updated: 2024/03/01

Sigma-Aldrich

Product number: 246948
Product name: (R)-(+)-1,1′-Bi(2-naphthol)
Purity: 99%
Packaging: 1g
Price: $30.4
Updated: 2024/03/01

Sigma-Aldrich

Product number: 246948
Product name: (R)-(+)-1,1′-Bi(2-naphthol)
Purity: 99%
Packaging: 5g
Price: $177
Updated: 2024/03/01

TCI Chemical

Product number: B1142
Product name: (R)-(+)-1,1'-Bi-2-naphthol
Purity: >98.0%(HPLC)(T)
Packaging: 5g
Price: $65
Updated: 2024/03/01

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(R)-(+)-1,1'-Bi-2-naphthol Chemical Properties,Usage,Production

Chemical Properties

white to light yellow crystal powde

Uses

Chiral binapthol imminium salt precursor. Salts were used for an asymmetric epoxidation of olefins.

Definition

ChEBI: (S)-(-)-1,1'-Bi-2-naphthol is a member of naphthols.

Purification Methods

Dissolve it in cold 2.5N NaOH, extract with CH2Cl2, and acidify with 5% HCl. Collect the white precipitate and recrystallise it from aqueous EtOH and dry it in a vacuum [Akimoto & Yamada Tetrahedron 27 5999 1971]. It is optically stable in dioxane-water (100o/24hours). Racemisation: 72% in 1.2N HCl at 100o/24hours and 68% in 0.67M KOH in BuOH at 118o/23hours [Kyba et al. J Am Chem Soc 95 2693 1973]. It has also been crystallised from *C6H6 (solubility is 1%) using Norite or aqueous EtOH after chromatography through silica gel, eluting with Me2CO/*C6H6. [Kyba et al. J Org Chem 42 4173 1977; see also Brussee & Jansen Tetrahedron Lett 24 3261 1983, Akimoto & Yamada Tetrahedron 27 5999 1971, Beilstein 6 IV 7020.]

(R)-(+)-1,1'-Bi-2-naphthol Preparation Products And Raw materials

Raw materials

Copper(II) chloride dihydrate Ethanol Toluene Phosphorus oxychloride Triethylamine (R)-(+)-1-Phenylethylamine L-1-Phenylethylamine Iron chloride hexahydrate Tetrahydrofuran Benzene Ethyl acetate Dichloromethane 2-Naphthol

Preparation Products

(S)-(-)-2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one (R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl (R)-(-)-6,6'-Dibromo-1,1'-bi-2-naphthol (R)-(+)-TolBINAP

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View Lastest Price from (R)-(+)-1,1'-Bi-2-naphthol manufacturers

Hebei Dangtong Import and export Co LTD

Product: (R)-(+)-1,1'-Bi-2-naphthol 18531-94-7
Price: US $294.00-288.00/kg
Min. Order: 1kg
Purity: 99.99%
Supply Ability: 200Tons
Release date: 2023-03-28

Shanghai UCHEM Inc.

Product: (R)-(+)-(1,1'-binaphthalene)-2,2'-diol 18531-94-7
Price: US $35.00-285.00/g
Min. Order: 1g
Purity: 0.99
Supply Ability: 25kg
Release date: 2023-10-12

Henan Bao Enluo International TradeCo.，LTD

Product: (R)-(+)-1,1'-Bi-2-naphthol 18531-94-7
Price: US $200.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1000tons
Release date: 2023-07-18

18531-94-7, (R)-(+)-1,1'-Bi-2-naphtholRelated Search:

p-Naphtholbenzein Phenmedipham Terbinafine hydrochloride 1-Naphthol (n)-1,1'-bi(2-naphthol),(±)-1,1'-Bi(2-naphthol),99%,(+/-)-1,1'-BI(2-NAPHTHOL),(+/-)-1,1A-Bi-2-naphthol 2-Naphthol ALPHA-NAPHTHOLBENZEIN (S)-(-)-1,1&#39-Bi-2-naphthol,S-(-)-1,1'-Bi-2-naphthol,99%(S)-BINOL,(S)-1,1 -BI-2-NAPHTHOL ***REVERSE***,(S)-(−)-1,1'-Bi(2-naphthol) (R)-(+)-2,2'-DIMETHOXY-1,1'-BINAPHTHYL (S)-(+)-6'-DIBROMO-1,1'-BI-2-NAPHTHOL,6,6''-DIBROMO-1,1''-BI-2-NAPHTHOL 95+%,racemic-6,6'-Dibromo-1,1'-bi-2-naphthol,min.98% (S)-2'-Methoxy-[1,1']binaphthalenyl-2-ol 1,1'-Binaphthyl-2,2'-diyl hydrogenphosphate (R)-(-)-1,1'-Binaphthol-2,2'-bis(trifluoromethanesulfonate) (R)-(+)-3,3'-Dibromo-1,1'-bi-2-naphthol,99% (S)-(+)-1,1'-Bi-2-naphthyl ditosylate (-1,1'-Bi-2-Naphthol Deacetate (S)-1,1μ-Binaphthalene-2,2μ-diyl bis(trifluoromethanesulfonate), (S)-1,1μ-Bi(2-naphthol) bis(trifluoromethanesulfonate) (R)-1,1'-BI-2-NAPHTHOL DIBENZOATE

(R)-(+)-BI-2-NAPHTHOL

(R)-[1,1']-Binaphth-2-ol, (R)-BINOL

(+)-2,2μ-Dihydroxy-1,1μ-dinaphthyl, (R)-(+)-1,1μ-Binaphthalene-2,2μ-diol, (R)-BINOL

(R)-(+)-1,1'-Bi-2-naphthol 99%

[aR,(+)]-1,1'-Binaphthalene-2,2'-diol

[aR,(+)]-Dinaphthol

R-(+)-1_Bi-2-naphthol

(R)-(+)-1,1'-Bi-2-na

(1R)-2,2'-Dihydroxy-[1,1']-binaphthyl

(1R)-1,1'-Binaphthalene-2,2'-diol, (R)-BINOL

(R)-(+)-BINOL (R)-(+)-2,2'-Dihydroxy-1,1'-binaphthyl

(R)-(+)-1,1''-BINAPHTHYL-2,2''-DIOL FOR SY

e: (R)-(+)-1,1'-Bi-2-naphtho

(R)-1,1'-Binaphthalene-2,2'-diol, (R)-BINOL

(R)-(+)-1,1'-Bi-2-naphthol (R)-(+)-2,2'-Dihydroxy-1,1'-dinaphthyl

(R)-(+)-1,1'-Bi-2-naphthol, >=99.5%

Dihydroxydinaphthylwhitepowder

(1R)- [1,1'-Binaphthalene]-2,2'-diol

(<i>R</i>)-(+)-1,1'-Bi-2-naphthol

(R)-2,2'-Dihydroxy-[1,1']-binaphthyl 99%

DI-B-NAPHTHOL

AURORA KA-7212

BI-2-NAPHTHOL

(-)-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

(R)-(+)-1,1'-BIS(2-NAPHTHOL)

(R)-(+)-1,1'-BINAPHTHYL-2,2'-DIOL

(R)-[1,1]-BINAPHTHALENYL-2,2'-DIOL

R(+)-1,1'-BINAPHTHALENE-2,2'-DIOL

(R)-(+)-1,1'-BI(2,2'-NAPHTHOL)

(R)-(+)-1,1'-BI-2-NAPHTHOL

(R)-(+)-1,1-BI-2-NAPHTHOL

(R)-1,1'-BI-2-NAPHTHOL

R-1,1-BI-2-NAPHTHOL

R-(+)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL

(R)-(+)-2,2'-DIHYDROXY-1,1'-BINAPHTHYL

(R)-(+)-2,2'-DIHYDROXY-1,1-BINAPHTHYL

(R)-(+)-BINOL

(R)-BINOL

(S)-(-)-1,1'-BI(2,2'-NAPHTHOL)

(S)-[1,1'-BINAPHTHALENE]-2,2'-DIOL

S(-)-1,1'-BINAPHTHALENE-2,2'-DIOL

(S)-(-)-1,1'-BINAPHTHYL-2,2'-DIOL

(S)-[1,1]-BINAPHTHALENYL-2,2'-DIOL

(R,S)-BINOL

S-(-)-2,2'-DIHYDROXY-1,1'-DINAPHTHYL

1,1'-BINAPHTHYL-2,2'-DIOL

[1,1']BINAPHTHALENYL-2,2'-DIOL

1,1'-BI-2,2'-NAPHTHOLS

(+/-)-1,1'-BINAPHTHALENE-2,2'-DIOL

AKOS 90560

(R)-(+)-1,1’-bi-2-nanphthol

(R)-(+)-1,1'-BI-2-NAPHTHOL, 99% (99% EE/

R-(+)-1,1'-Binaphthyl-2.2'-dio

R-(+)-1,1'-BI-2-NAPHTHOL/ (R)-(+)BINOL