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Merck

803855

Sigma-Aldrich

Schreiner′s Catalyst

greener alternative

Synonym(e):

1,3-Bis[3,5-bis(trifluoromethyl)phenyl]urea, N,N′-bis[3,5-bis(trifluoromethyl)phenyl]-Urea

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About This Item

Empirische Formel (Hill-System):
C17H8F12N2O
CAS-Nummer:
Molekulargewicht:
484.24
MDL-Nummer:
UNSPSC-Code:
12161600
PubChem Substanz-ID:
NACRES:
NA.22

Assay

97%

Form

powder

Eignung der Reaktion

reagent type: catalyst

Grünere Alternativprodukt-Eigenschaften

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

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Grünere Alternativprodukt-Kategorie

Lagertemp.

2-8°C

SMILES String

O=C(NC1=CC(C(F)(F)F)=CC(C(F)(F)F)=C1)NC2=CC(C(F)(F)F)=CC(C(F)(F)F)=C2

InChI

1S/C17H8F12N2O/c18-14(19,20)7-1-8(15(21,22)23)4-11(3-7)30-13(32)31-12-5-9(16(24,25)26)2-10(6-12)17(27,28)29/h1-6H,(H2,30,31,32)

InChIKey

YGCOMBKZFUMALE-UHFFFAOYSA-N

Allgemeine Beschreibung

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalytic efficiency. Click here for more information.

Anwendung

Schreiner′s catalyst is commonly used as a hydrogen-bond donor in the activation of carbonyls, nitroolefins, imines etc.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


Analysenzertifikate (COA)

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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

Bonding Organocatalysed Friedel-Crafts Alkylation of Aromatic and Heteroaromatic Systems with Nitroolefins
Dessole G,et al.
Synlett, 13, 2374-2378 (2004)
Sarah A Kavanagh et al.
Organic & biomolecular chemistry, 6(8), 1339-1343 (2008-04-04)
N,N'-Diarylureas have been shown to efficiently catalyse sulfonium ylide-mediated aldehyde epoxidation reactions for the first time. These processes are of broad scope and can be coupled with a subsequent Cu(II) ion-catalysed Meinwald rearrangement to give an efficient and convenient protocol
Sonia S So et al.
Organic letters, 13(4), 716-719 (2011-01-14)
Boronate ureas are introduced as a new class of noncovalent catalysts for conjugate addition reactions with enhanced activity. Through intramolecular coordination of the urea functionality to a strategically placed Lewis acid, rate enhancements up to 10 times that of more

Verwandter Inhalt

Boronate ureas benefit from internal Lewis acid coordination of the urea cabonyl oxygen and the strategically placed boron. As a result of this structural feature, boronate ureas can be rendered more acidic than conventional urea hydrogen bond donor catalysts.

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