所有图片(1)
About This Item
线性分子式:
C2H5COCH=CH2
CAS Number:
分子量:
84.12
Beilstein:
1735857
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
质量水平
方案
97%
表单
liquid
包含
0.1% BHT as stabilizer
折射率
n20/D 1.419 (lit.)
沸点
38 °C/60 mmHg (lit.)
密度
0.851 g/mL at 20 °C
0.845 g/mL at 25 °C (lit.)
储存温度
−20°C
SMILES字符串
CCC(=O)C=C
InChI
1S/C5H8O/c1-3-5(6)4-2/h3H,1,4H2,2H3
InChI key
JLIDVCMBCGBIEY-UHFFFAOYSA-N
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一般描述
1-Penten-3-one also known as Ethyl vinyl ketone, is a straight-chain aliphatic α, β -unsaturated ketone, commonly used in the coupling reaction for the synthesis of diene and six-membered ring compounds.
应用
成环反应试剂。
1-Penten-3-one can be used as a reactant to synthesize:
- Conjugated dienes via palladium-catalyzed Heck reaction with vinyl bromides.
- β-Amino carbonyl derivatives via solvent-free aza-Michael addition reaction with aromatic amines in the presence of ionic liquid catalyst.
- α-Exo-methylene group bearing β-amino carbonyl compounds via ion-supported triphenylphosphine catalyzed aza‐Morita‐Baylis-Hillman reaction with N-tosyl arylimines.
警示用语：
Danger
危险分类
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B
储存分类代码
3 - Flammable liquids
WGK
WGK 3
闪点(°F)
14.0 °F - closed cup
闪点(°C)
-10 °C - closed cup
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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