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一般描述
12-冠醚-4是一种冠醚，通常用作配位化学中的配体。由于对锂阳离子具有很强的特异性螯合能力，它还是一种锂离子载体。
应用
12-冠醚-4可用作：
- 通过阴离子开环聚合反应以六乙基环三硅氧烷单体和NaOH催化剂合成聚（二乙基硅氧烷） (PDES)
- 作为添加剂用于通过芳基溴与二芳基甲烷之间的钯催化交叉偶联反应制备三芳基甲烷衍生物
- 有机合成中的相转移催化剂
警示用语：
Danger
危险声明
危险分类
Acute Tox. 1 Inhalation
储存分类代码
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
闪点(°F)
235.4 °F - closed cup
闪点(°C)
113 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Multilayered ion-imprinted membranes with high selectivity towards Li+ based on the synergistic effect of 12-crown-4 and polyether sulfone
Lu J, et al.
Applied Surface Science, 427, 931-941 (2018)
Additive effects on palladium-catalyzed deprotonative-cross-coupling processes (DCCP) of sp 3 C-H bonds in diarylmethanes
Bellomo A, et al.
Chemical Science, 4(2), 849-857 (2013)
Márkó Grabarics et al.
The Analyst, 145(19), 6313-6333 (2020-07-28)
In the past decade, ion mobility spectrometry (IMS) in combination with mass spectrometry (IM-MS) became a widely employed technique for the separation and structural characterization of ionic species in the gas phase. Similarly to chromatography, where studies on the mechanism
Changna Yin et al.
Rapid communications in mass spectrometry : RCM, 34(9), e8719-e8719 (2020-01-04)
The poly(ethylene oxide) (PEO)-alkali metal cation interaction is widely used in many areas. The conformation of the PEO-alkali metal cation complex has been studied extensively, but the conformational mechanism is still unclear. Simulations have been used to explain the mechanism
Preparation of poly (diethylsiloxane) with the NaOH/12-crown-4 catalyst
Hedden RC and Cohen C
Polymer, 41(18), 6975-6979 (2000)
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