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4652-27-1 - 4-Methoxy-3-buten-2-one, tech. 90% - A11235 - Alfa Aesar

A11235 4-Methoxy-3-buten-2-one, tech. 90%

CAS-Nummer
4652-27-1
Synonyme

Größe Preis ($) Menge Verfügbarkeit
10g 57,06
50g 167,24
250g 629,10
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4-Methoxy-3-buten-2-one, tech. 90%

MDL
MFCD00008778
EINECS
225-087-4

Chemische Eigenschaften

Formel
C5H8O2
Molmasse
100.12
Siedepunkt
66-69°/12mm
Flammpunkt
63°(145°F)
Dichte
0.990
Brechungsindex
1.4650
Löslichkeit
Miscible with tetrahydrofuran, ether, acetonitrile and benzene.

Anwendungen

4-Methoxy-3-buten-2-one is an important precursor for the synthesis of 1-methoxy-3-trimethylsilyloxy-1,3-butadiene and the Danishefsky diene and its equivalent. It is widely used as a reactant in the synthesis of hydroisoquinoline derivatives. It is employed as an intermediate for the synthesis of manzamine.

Bemerkungen

Keep away from sources of ignition. Keep the container tightly closed in a dry and well-ventilated place.

Literaturverweise

Arylation of the lithio-derivative provides a route to 2-aryl--pyrones: Tetrahedron Lett., 21, 1197, 2773 (1980):

/n

Wan, J. P.; Lin, Y.; Hu, K.; Liu, Y. Metal-free synthesis of 1,3,5-trisubstituted benzenes by the cyclotrimerization of enaminones or alkynes in water. RSC Adv. 2014, 4 (39), 20499-20505.

Iwado, T.; Hasegawa, K.; Sato, T.; Okada, M.; Sue, K.; Iwamura, H.; Hiaki, T. Mechanistic and Exploratory Investigations into the Synthesis of 1,3,5-Triaroylbenzenes from 1-Aryl-2-propyn-1-ones and 1,3,5-Triacetylbenzene from 4-Methoxy-3-buten-2-one by Cyclotrimerization in Hot Water in the Absence of Added Acid or Base. J. Org. Chem. 2013 78 (5), 1949-1954.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H227

Combustible liquid.

Sicherheitshinweise: P210-P280-P370+P378a-P403+P235-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. In case of fire: Use for extinction: CO2, powder or water spray. Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
1741053
Harmonized Tariff Code
2914.50
TSCA
No

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