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E46607

Sigma-Aldrich

Ethyl propiolate

99%

Sinonimo/i:

Ethyl acetylenecarboxylate

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About This Item

Formula condensata:
HC≡CCO2C2H5
Numero CAS:
623-47-2
Peso molecolare:
98.10
Beilstein:
878250
Numero CE:
210-795-8
Numero MDL:
MFCD00009184
Codice UNSPSC:
12352100
ID PubChem:
24894572
NACRES:
NA.22

Livello qualitativo

100

Saggio

99%

Forma fisica

liquid

Indice di rifrazione

n20/D 1.412 (lit.)

P. eboll.

120 °C (lit.)

Densità

0.968 g/mL at 25 °C (lit.)

Temperatura di conservazione

2-8°C

Stringa SMILE

CCOC(=O)C#C

InChI

1S/C5H6O2/c1-3-5(6)7-4-2/h1H,4H2,2H3
FMVJYQGSRWVMQV-UHFFFAOYSA-N

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Categorie correlate

Applicazioni

Halogenated derivatives were used as substrates for direct, asymmetric alkynylation of cyclic ß-ketoesters using chiral phase-transfer catalysts. Also employed in a one-pot , four-component synthesis of benzene-1,2,3,5-tetracarboxylates promoted by Ph3P.

Pittogrammi

FlameExclamation mark
GHS02,GHS07

Avvertenze

Warning

Indicazioni di pericolo

H226,H315,H319,H335

Classi di pericolo

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

77.0 °F - closed cup

Punto d’infiammabilità (°C)

25 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
0000132573
0000132572
STBK2879
0000092778
STBJ7140

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Thomas B Poulsen et al.
Journal of the American Chemical Society, 129(2), 441-449 (2007-01-11)
The first organocatalytic enantioselective direct alpha-alkynylation of beta-ketoesters and 3-acyl oxindoles is described. It is demonstrated that activated beta-halo-alkynes undergo nucleophilic acetylenic substitution catalyzed by chiral phase-transfer compounds to afford the alkynylated products in high yields and excellent enantioselectivities. The
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