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2-碘噻吩

2-碘噻吩用途

【用途一】
用于有机合成。

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2-碘噻吩名称

[ CAS 号 ]:
3437-95-4

[ 中文名 ]:
2-碘噻吩

[ 英文名 ]:
2-Iodothiophene

[中文别名 ]:

2-碘代噻吩

[英文别名 ]:

2-thienyl iodide
2-thiophenyliodide
2-iodo thiophene
2-Iodothiophene
Thiophene, 2-iodo-
iodothiophene
2-thienyl-I
EINECS 222-342-1
MFCD00005424
2-thiophenyl-I

2-碘噻吩物理化学性质

[ 密度 ]:
2.1±0.1 g/cm3

[ 沸点 ]:
181.8±13.0 °C at 760 mmHg

[ 熔点 ]:
−40 °C(lit.)

[ 分子式 ]:
C₄H₃IS

[ 分子量 ]:
210.036

[ 闪点 ]:
71.1±0.0 °C

[ 精确质量 ]:
209.900009

[ PSA ]:
28.24000

[ LogP ]:
3.23

[ 外观性状 ]:
红色棕色至黄色绿色液体

[ 蒸汽压 ]:
1.1±0.3 mmHg at 25°C

[ 折射率 ]:
1.666

[ 储存条件 ]:
0-6°C

2-碘噻吩MSDS

2-碘噻吩安全信息

[ 符号 ]:

GHS05, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H302-H315-H317-H318-H335

[ 警示性声明 ]:
P261-P280-P305 + P351 + P338

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xn:Harmful;

[ 风险声明 (欧洲) ]:
R20/21/22

[ 安全声明 (欧洲) ]:
S26-S36/37/39-S36/37

[ WGK德国 ]:
3

[ 海关编码 ]:
29349990

2-碘噻吩合成路线

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2-碘噻吩制备

将35g（0.42mol）噻吩和50毫升苯混合，在搅拌冷却下，分次交替地加入75g（0.35mol）黄色氧化汞和109g（0.43mol）碘。过滤，用乙醚洗涤滤渣。合并洗滤液，用硫代硫酸钠稀溶液洗涤，除去过量的碘，经无水氯化钙干燥后蒸除乙醚和苯，减压蒸馏，收集73℃（2.0kPa）馏分，得63-66g2-碘噻吩。收率72-75%。

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2-碘噻吩海关

[ 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%

2-碘噻吩文献

Rapid homogeneous-phase Sonogashira coupling reactions using controlled microwave heating.

J. Org. Chem. 66(12) , 4165-9, (2001)

A microwave-enhanced, rapid and efficient homogeneous-phase version of the Sonogashira reaction is presented. It has been applied to the coupling of aryl iodides, bromides, triflates, and aryl chlorid...

Cross-coupling reactions of alkenylsilanolates. Investigation of the mechanism and identification of key intermediates through kinetic analysis.

J. Am. Chem. Soc. 126(15) , 4876-82, (2004)

The mechanism of the fluoride-free, palladium-catalyzed cross-coupling reaction of potassium (E)-heptenyldimethylsilanolate, K(+)(E)-1(-), with 2-iodothiophene has been investigated through kinetic an...

Stereospecific preparation of (Z)- and (E)-2,3-difluoro-3-stannylacrylic ester synthons and a new, efficient stereospecific route to (Z)- and (E)-2,3-difluoroacrylic esters.

J. Org. Chem. 70(26) , 10743-6, (2005)

[reaction: see text] The (Z)-2,3-difluoro-3-stannylacrylic ester is readily prepared from (Z)-1,2-difluorovinyltriethylsilane via stereospecific stannyl/silyl exchange with KF/(Bu3Sn)2O or Bu3SnCl in ...

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