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alpha-三联噻吩

alpha-三联噻吩用途

2,2':5',2''-Terthiophene (α-Terthiophene) 是杂环噻吩的低聚物,2,2':5',2''-Terthiophene 通常作为有机合成砌块。

alpha-三联噻吩名称

[ CAS 号 ]:
1081-34-1

[ 中文名 ]:
2,2':5',2''-三噻吩

[ 英文名 ]:
alpha-Terthiophene

[中文别名 ]:

[英文别名 ]:

Terthiophene
2,2':5',2"-Terthiophene
2,2':5',2''-Terthiophene
2,2':5'2''-Terthiophene
2,2:5,2-Terthiophene
a-Terthienyl
MFCD00012167
5-(2-Thienyl)-2,2'-bithiophene
2,5-Di(2-thienyl)thiophene
α-Terthienyl

alpha-三联噻吩生物活性

[ 描述 ]:

2,2':5',2''-Terthiophene (α-Terthiophene) 是杂环噻吩的低聚物,2,2':5',2''-Terthiophene 通常作为有机合成砌块。

[ 相关类别 ]:

信号通路 >> 其他 >> 其他

[体外研究]

在最常见的三噻吩异构体中,两个噻吩基通过它们的2个位置连接到中心噻吩,也位于硫侧翼的碳原子上。

[参考文献]

[1]. Casado J, et al. Alternated quinoid/aromatic units in terthiophenes building blocks for electroactive narrow band gap polymers. Extended spectroscopic, solid state, electrochemical, and theoretical study. J Phys Chem B. 2005 Sep 8;109(35):16616-27.

[相关活性小分子]

alpha-三联噻吩物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
361.3±32.0 °C at 760 mmHg

[ 熔点 ]:
93-95 °C(lit.)

[ 分子式 ]:
C₁₂H₈S₃

[ 分子量 ]:
248.387

[ 闪点 ]:
128.4±11.3 °C

[ 精确质量 ]:
247.978806

[ PSA ]:
84.72000

[ LogP ]:
5.56

[ 外观性状 ]:
淡黄色固体

[ 蒸汽压 ]:
0.0±0.8 mmHg at 25°C

[ 折射率 ]:
1.672

[ 储存条件 ]:
2-8°C

[ 水溶解性 ]:
水溶性：不溶；可溶于：苯,丙酮,乙醚；微溶：甲醇,乙醇

alpha-三联噻吩MSDS

详细MSDS(安全技术说明书)

alpha-三联噻吩毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WZ9717750

CAS REGISTRY NUMBER :: 1081-34-1

LAST UPDATED :: 199606

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C12-H8-S3

MOLECULAR WEIGHT :: 248.38

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 110 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987- Volume(issue)/page/year: 77,164,1995

alpha-三联噻吩安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
F: Flammable;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S22-S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
WZ9717750

[ 海关编码 ]:
2934999090

alpha-三联噻吩合成路线

详细合成路线

alpha-三联噻吩海关

[ 海关编码 ]: 2934999090

[ 中文概述 ]:
2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

alpha-三联噻吩文献

Length-dependent conductance of oligothiophenes.

J. Am. Chem. Soc. 136(29) , 10486-92, (2014)

We have measured the single-molecule conductance of a family of oligothiophenes comprising 1-6 thiophene moieties terminated with methyl-sulfide linkers using the scanning tunneling microscope-based b...

Radical-scavenging activity of melatonin, either alone or in combination with vitamin E, ascorbate or 2-mercaptoethanol as co-antioxidants, using the induction period method.

In Vivo 25(1) , 49-53, (2011)

Melatonin shows antioxidant/prooxidant activity but its mechanism of action remains unknown.The radical-scavenging activity of melatonin and various melatonin/co-antioxidant mixtures in a 1:1 molar ra...

Synthesis and evaluation of new spacers for use as dsDNA end-caps.

Bioconjug. Chem. 21(8) , 1545-53, (2010)

A series of aliphatic and aromatic spacer molecules designed to cap the ends of DNA duplexes have been synthesized. The spacers were converted into dimethoxytrityl-protected phosphoramidites as syntho...

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