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Merck
CN

269549

Sigma-Aldrich

3-丁烯-2-酮

contains 0.5% hydroquinone and 0.1% acetic acid as stabilizer, 99%

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别名:
丁烯酮, 甲基乙烯基酮
线性分子式:
CH2=CHCOCH3
CAS号:
分子量:
70.09
Beilstein:
506021
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22

蒸汽密度

1.3 (vs air)

蒸汽压

310 mmHg ( 55 °C)
71 mmHg ( 20 °C)

检测方案

99%

形式

liquid

包含

0.5% hydroquinone and 0.1% acetic acid as stabilizer

expl. lim.

15.64 %

折射率

n20/D 1.411 (lit.)

bp

81 °C (lit.)

溶解性

diethyl ether: easily soluble(lit.)
ethanol: easily soluble(lit.)
glacial acetic acid: easily soluble(lit.)
hydrocarbons: slightly soluble(lit.)
methanol: easily soluble(lit.)
water: easily soluble(lit.)

密度

0.864 g/mL at 25 °C (lit.)

储存温度

2-8°C

SMILES字符串

CC(=O)C=C

InChI

1S/C4H6O/c1-3-4(2)5/h3H,1H2,2H3

InChI key

FUSUHKVFWTUUBE-UHFFFAOYSA-N

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一般描述

人们研究了 3-丁烯-2-酮的形成机理和氧化途径

应用

3-丁烯-2-酮(乙烯基酮)可用作甲醇共轭加成法合成4-甲氧基-丁烯-2-酮的底物。它还可用于铁(II)催化的吲哚 C-3位烷基化。使用过量酮会产生2,3-双烷基化吲哚。.3-丁烯-2-酮还可用于硫醇、吲哚 和香豆素的迈克尔受体反应。

警示用语:

Danger

危险分类

Acute Tox. 1 Dermal - Acute Tox. 1 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - Skin Sens. 1

WGK

WGK 3

闪点(°F)

closed cup

闪点(°C)

closed cup

个人防护装备

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

法规信息

监管及禁止进口产品

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Pav'e. G.; et al.
Synlett, 7, 987-987 (2003)
Ye, M-C; et al.
Synthesis, 6, 946-946 (2006)
Chu, C-M; et al.
Tetrahedron Letters, 46, 4971-4971 (2005)
Lance E Christensen et al.
The journal of physical chemistry. A, 110(21), 6948-6959 (2006-05-26)
Near-infrared spectroscopy was used to monitor HO2 formed by pulsed laser photolysis of Cl2-O2-CH3OH-N2 mixtures. On the microsecond time scale, [HO2] exhibited a time dependence consistent with a mechanism in which [HO2] approached equilibrium via HO2 + HO2.CH3OH (3, -3).
Kavita De et al.
The Journal of organic chemistry, 74(16), 6260-6265 (2009-07-23)
1,4-Addition of anilines onto Michael acceptors proceeds easily in specific polar protic solvents, without any promoting agent. According to the solvent and to the electrophile, the selectivity of the reaction can be finely tuned. With methyl acrylate as electrophile, only

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