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104655

Sigma-Aldrich

1,1′-Bi-2-naphthol

99%

Sinónimos:

(±)-1,1′-Binaphthalene-2,2′-diol, (±)-2,2′-Dihydroxy-1,1′-dinaphthyl, 2,2′-Dihydroxybinaphthalene, 2,2′-Dihydroxydinaphthyl, 2,2′-Dinaphthol, BINOL

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5 G
41,70 €
25 G
141,00 €

41,70 €

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5 G
41,70 €
25 G
141,00 €

About This Item

Fórmula lineal:
HOC10H6C10H6OH
Número de CAS:
602-09-5
Peso molecular:
286.32
Beilstein:
997518
Número CE:
210-014-0
Número MDL:
MFCD00004068
Código UNSPSC:
12161600
ID de la sustancia en PubChem:
24846670
NACRES:
NA.22

41,70 €

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Nivel de calidad

200

Ensayo

99%

idoneidad de la reacción

reagent type: ligand

mp

214-217 °C (lit.)

cadena SMILES

Oc1ccc2ccccc2c1-c3c(O)ccc4ccccc34

InChI

1S/C20H14O2/c21-17-11-9-13-5-1-3-7-15(13)19(17)20-16-8-4-2-6-14(16)10-12-18(20)22/h1-12,21-22H

Clave InChI

PPTXVXKCQZKFBN-UHFFFAOYSA-N

Aplicación

Chiral ligand and auxiliary for asymmetric Michael addition reaction; enantioselective Diels-Alder reaction; alkynylation.

Pictogramas

Skull and crossbones
GHS06

Palabra de señalización

Danger

Frases de peligro

H301,H315,H319

Clasificaciones de peligro

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2

Código de clase de almacenamiento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Clase de riesgo para el agua (WGK)

WGK 3

Equipo de protección personal

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
WXBD2034V
WXBD4813V
WXBD3075V
WXBD2396V
WXBC9636V

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2,2′-Dibromo-1,1′-binaphthyl 96%

Sigma-Aldrich

676438

2,2′-Dibromo-1,1′-binaphthyl

Yifeng Zhou et al.
Organic letters, 6(23), 4147-4149 (2004-11-05)
The readily available and inexpensive (S)-BINOL ligand in combination with Ti(O(i)Pr)(4) is an effective chiral catalyst for the catalytic asymmetric addition of alkynylzinc to unactivated simple ketones. Good to excellent enantioselectivities were achieved. No previous case has been reported successfully
BINOL: a versatile chiral reagent.
Jean Michel Brunel
Chemical reviews, 105(3), 857-897 (2005-03-10)
Shanshan Yu et al.
The Journal of organic chemistry, 76(8), 2814-2819 (2011-03-17)
The fluorescent properties of a series of H(8)BINOL-amine compounds are investigated. It is revealed that the intramolecular hydrogen bonds of these compounds contribute to the shift of the emission of their H(8)BINOL unit to a much longer wavelength. That is
Hai-Lei Cui et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(7), 1574-1577 (2009-01-10)
The first highly enantioselective allylic-allylic alkylation of alpha,alpha-dicyanoalkenes and Morita-Baylis-Hillman carbonates by dual catalysis of (DHQD)(2)AQN and (S)-BINOL has been investigated. Excellent stereoselectivities have been achieved for a broad spectrum of substrates (d.r. > 99:1, up to 99 % ee).
Liheng Feng et al.
Organic & biomolecular chemistry, 9(8), 2938-2942 (2011-03-08)
A glucose sensing switch is formed by water soluble conjugated polymer (PP-S-BINOL) and boronic acid-functionalized benzyl viologen (o-BBV). The two-component system shows a high sensitivity for glucose sensing with a 17-fold increase in the fluorescence intensity in the presence of
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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 respuesta

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 respuesta

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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