物质信息
ID:716134
名称和标识
IUPAC传统名
dibenzo-18-crown-6
别名
Dibenzo-18-crown-6二苯并-18-冠-6醚
IUPAC标准名
2,5,8,15,18,21-hexaoxatricyclo[20.4.0.09,14]hexacosa-1(26),9,11,13,22,24-hexaene
化合物性质
安全信息
危险公开号
36/37/38
RTECS编号
HP5386000
GHS危险声明
H315-H319-H335
GHS警示性声明
P261-P305+P351+P338-P302+P352-P321-P405-P501A
安全公开号
26-37
TSCA收录
是
GHS危险品标识
急性毒性（口服，皮肤接触，吸入），类别4
皮肤刺激，类别2
眼刺激，类别2
皮肤过敏，类别1
特定目标器官毒性 -一次接触，类别3
欧盟危险性物质标志
刺激性 (Xi)理化性质
沸点
380-384°C/679mm
熔点
160-164°C
产品相关信息
纯度
98+%
描述信息
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分子图谱
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参考文献
• Comparison of the rates of displacement of F- in 1-fluoro-2- or 4-nitrobenzene with KOMe and KO-t-Bu in the presence of this crown ether gave a result (t-BuO- >> MeO-) opposite to the pattern observed in its absence: J. Chem. Soc., Perkin 2, 55 (1973).
• In combination with Benzyltriethylammonium chloride, A13268, promotes the oxidative decarboxylation of arylacetic acids with NaIO4 to give high yields of the aryl aldehydes: Indian J. Chem. B, 35B, 151 (1996). Under the same conditions, phenacyl bromides are converted to benzoic acids.
• Catalyst for the halogenative cleavage of epoxides with Br2 or I2, giving halohydrins in high yields: J. Org. Chem., 63, 1455 (1998).
• Promotes the generation of bromochlorocarbene from Chlorodibromomethane, A16938: Syntheis, 783 (1977); Tetrahedron, 33, 363 (1977), and of dibromocarbene from Bromoform, A11904: Org. Synth., 75, 98 (1997).
• See also 18-Crown-6, A11249 and Appendix 2.
• Catalyst for the formation of phenacyl esters from phenacyl bromides and K salts of carboxylic acids in acetonitrile: Synth. Commun., 26, 1747 (1996).