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654213

Sigma-Aldrich

2-Methylpyridine borane complex

2-Methylpyridine borane complex

95%

Synonym(e):

2-Picoline borane complex

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5 G
74,30 €

74,30 €


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5 G
74,30 €

About This Item

CAS-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352005
PubChem Substanz-ID:
NACRES:
NA.22

74,30 €


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Qualitätsniveau

Assay

95%

Form

solid

Eignung der Reaktion

reagent type: reductant

Lagertemp.

2-8°C

SMILES String

CC1=NC=CC=C1.B

InChI

1S/C6H7N.B/c1-6-4-2-3-5-7-6;/h2-5H,1H3;

InChIKey

QHXLIQMGIGEHJP-UHFFFAOYSA-N

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Allgemeine Beschreibung

2-Methylpyridine borane complex is a nontoxic alternate to the reducing agent sodium cyanoborohydride.[1]

Anwendung

An alternative reagent for reductive aminations.[2]
Environmentally benign reducing agent

Reactant for:
Reductive amination
N-Benzyl-protection of amino acid derivatives by reductive alkylation
Reductive alkoxyamination

Piktogramme

FlameExclamation mark

Signalwort

Danger

Gefahreneinstufungen

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 - Water-react 2

Zielorgane

Respiratory system

Lagerklassenschlüssel

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 3

Flammpunkt (°F)

212.0 °F - closed cup

Flammpunkt (°C)

100 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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Die Dokumentenbibliothek aufrufen

Trifluoroacetaldehyde: A useful industrial bulk material for the synthesis of trifluoromethylated amino compounds.
Mimura H, et al.
Journal of Fluorine Chemistry, 131(4), 477-486 (2010)
Sato, S. et al
Tetrahedron, 60, 7899-7899 (2004)
Shigehisa Uchiyama et al.
Analytical chemistry, 81(1), 485-489 (2008-12-06)
A new method for the determination of carbonyls in air using 2,4-dinitrophenylhydrazine (DNPH) has been developed. The traditional method for the measurement of carbonyl compounds, using DNPH to form the corresponding 2,4-dinitrophenylhydrazone (DNPhydrazone) derivatives, is subject to analytical errors because
One-pot synthesis of alkoxyamine derivatives by reductive alkoxyamination with a 2-picoline-borane complex.
Kawase Y , et al.
Heterocycles, 78(2), 463-470 (2009)
Maaike M Appeldoorn et al.
Carbohydrate research, 381, 33-42 (2013-09-24)
In order to use corn fiber as a source for bioethanol production the enzymatic hydrolysis of the complex glucuronoarabinoxylans present has to be improved. Several oligosaccharides present in the supernatant of mild acid pretreated and enzymatically saccharified corn fiber that

Artikel

2-picoline-borane (pic-BH3) is an excellent alternative reagent for reductive aminations.

Learn about the applications of chiral oxazaborolidinium ions (COBIs) as Lewis acid catalysts in different asymmetric reactions such as cyclopropanation, epoxidation, and radical reactions along with details of their catalytic action.

Fragen

1-2 von 2 Fragen  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 Antwort
    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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 Antwort
    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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  1. Cambridge, MA
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    2-Methylpyridine complex

    Reagent came promptly and was properly sealed and worked as desired

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