533610
2-乙酰基-5-甲基噻吩
98%
别名:
1-(5-Methyl-2-thienyl)ethanone, 1-(5-Methylthiophen-2-yl)ethan-1-one, 1-(5-Methylthiophen-2-yl)ethanone, 2-Methyl-5-acetylthiophene, 5-Methyl-2-thienyl methyl ketone, Methyl 5-methyl-2-thienyl ketone
登录查看公司和协议定价
所有图片(1)
About This Item
经验公式（希尔记法）:
C7H8OS
CAS号:
分子量:
140.20
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
推荐产品
质量水平
方案
98%
折射率
n20/D 1.561 (lit.)
沸点
65-67 °C/1 mmHg (lit.)
mp
24-28 °C (lit.)
密度
1.106 g/mL at 25 °C (lit.)
官能团
ketone
SMILES字符串
CC(=O)c1ccc(C)s1
InChI
1S/C7H8OS/c1-5-3-4-7(9-5)6(2)8/h3-4H,1-2H3
InChI key
YOSDTJYMDAEEAZ-UHFFFAOYSA-N
一般描述
2-Acetyl-5-methylthiophene is a volatile organic compound formed during the reaction between L-cysteine and dihydroxyacetone in glycerine or triglyceride solvent system. It can be prepared by reacting 2-methylthiophene with acetic anhydride. 2-Acetyl-5-methylthiophene undergoes palladium-catalyzed cross-coupling reaction with aryl bromides to form C-4 arylated product. It reacts with 1,2-bis(5-formyl-2-methylthiophen-3-yl)cyclopentene via Aldol condensation to form a chalcone with photochromic property. The standard molar enthalpies of combustion, formation and vaporization of 2-acetyl-5-methylthiophene are 4341.9 ± 1.8kJ/mol, 158.0 ± 2.1kJ/mol and 62.0 ± 2.6kJ/mol, respectively.
应用
2-Acetyl-5-methylthiophene may be used in the preparation of:
- 2-ethyl-5-methylthiophene
- (5-methylthiophen-2-yl)glyoxal
- (2E)-1-(5-methylthiophen-2-yl)-3-(pyridin-3-yl)prop-2-en-1-one
- ethyl 3-(5-methylthiophen-2-yl)-3-oxopropanoate
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
Acylation studies in the thiophene and furan series. IV. Strong inorganic oxyacids as catalysts.
Hartough HD and Kosak AI.
Journal of the American Chemical Society, 69(12), 3093-3096 (1947)
Synthesis, Configuration, and Antimicrobial Properties of Novel Substituted and Cyclized 2?, 3??-Thiazachalcones.
Ustaa A, et al.
Helvetica Chimica Acta, 90, 1482-1482 (2007)
Efficient guaiazulene and chamazulene syntheses involving [6+4] cycloadditions.
Mukherjee D, et al.
Journal of the American Chemical Society, 1010(1), 251-252 (1979)
Experimental thermochemical study of the three methyl substituted 2-acetylthiophene isomers.
da Silva MAVR and Santos AFLOM.
The Journal of Chemical Thermodynamics, 40(8), 1309-1313 (2008)
Straightforward access to diketopyrrolopyrrole (DPP) dimers.
Stas S, et al.
Dyes and Pigments, 97(1), 198-208 (2013)
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系技术服务部门