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Sigma-Aldrich

1,5-Diazabicyclo[4.3.0]non-5-ene

98%

Sinônimo(s):

DBN

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R$ 238,00
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R$ 1.057,00
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R$ 1.840,00

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R$ 238,00
25 G
R$ 1.057,00
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R$ 1.840,00

About This Item

Fórmula empírica (Notação de Hill):
C7H12N2
Número CAS:
3001-72-7
Peso molecular:
124.18
Beilstein:
2417
Número CE:
221-087-3
Número MDL:
MFCD00005554
Código UNSPSC:
12352005
ID de substância PubChem:
24848287
NACRES:
NA.22

R$ 238,00

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Nível de qualidade

200

Ensaio

98%

Formulário

liquid

índice de refração

n20/D 1.519 (lit.)

p.e.

95-98 °C/7.5 mmHg (lit.)

densidade

1.005 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

C1CN=C2CCCN2C1

InChI

1S/C7H12N2/c1-3-7-8-4-2-6-9(7)5-1/h1-6H2

chave InChI

SGUVLZREKBPKCE-UHFFFAOYSA-N

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Descrição geral

DBN is a strong base widely used as a catalyst in organic synthesis to facilitate Michael additions and aldol condensations.[1][2][3]

Aplicação

1,5-Diazabicyclo[4.3.0]non-5-ene (DBN) can be used as:      
  •   A reagent for the synthesis of β-carbolines from tetrahydro-β-carbolines via dehydrogenative/decarboxylative aromatization.[4]       
  • A nucleophilic organocatalyst in the regioselective C-acylation of pyrroles and indoles by Friedel−Crafts acylation reaction.[1]
  •   A superbase in the formulation of a ternary liquid-liquid phase changing system, along with hexadecane and hexanol, to capture hydrogen sulfide gas.[5]      
  • A base for the preparation of 1H-quinazoline-2,4-diones from 2-aminobenzonitriles using supercritical carbon dioxide as a reactant and a solvent.[6]
  •   A catalyst for the synthesis of benzothiazolones by the reaction between 2-aminothiophenols and CO2 by cyclocarbonylation reaction via C-S bond formation.[2]

Pictogramas

Corrosion
GHS05

Palavra indicadora

Danger

Frases de perigo

H314

Classificações de perigo

Skin Corr. 1B

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

201.2 °F - closed cup

Ponto de fulgor (°C)

94 °C - closed cup

Equipamento de proteção individual

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificados de análise (COA)

Lot/Batch Number
BCBK7579V
BCBH3818V
BCBT1403
BCBB0934V
BCBB0934

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Visite a Biblioteca de Documentos

Organic base-promoted efficient dehydrogenative/decarboxylative aromatization of tetrahydro-βcarbolines into β-carbolines under air.
Zhao Z, et al.
Tetrahedron Letters, 60(11), 800-804 (2019)
The simple solvent-free synthesis of 1H-quinazoline-2, 4-diones using supercritical carbon dioxide and catalytic amount of base
Mizuno T, et al.
Tetrahedron Letters, 45(38), 7073-7075 (2004)
Arinze Akutekwe et al.
IET systems biology, 9(6), 294-302 (2015-11-19)
Accurate and reliable modelling of protein-protein interaction networks for complex diseases such as colorectal cancer can help better understand mechanism of diseases and potentially discover new drugs. Different machine learning methods such as empirical mode decomposition combined with least square
Organic Base-Catalyzed C-S Bond Construction from CO2: A New Route for the Synthesis of Benzothiazolones.
Gao Xiang, et al.
Catalysts, 8(7), 271-271 (2018)
Phase-Change Reversible Absorption of Hydrogen Sulfide by the Superbase 1, 5-Diazabicyclo [4.3. 0] non-5-ene in Organic Solvents.
Xu Z, et al.
Industrial & Engineering Chemistry Research, 58(4), 1701-1710 (2019)
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Questions

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

    1 answer

    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 answer

    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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