A Facile Method to Synthesize Spiro-calix[4]arenes

来源 :中国化学快报(英文版) | 被引量 : 0次 | 上传用户:wodeblog1
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The spiro-calix[4]arenes 3a-b can be synthesized conveniently by the reaction of p-tert-butylcalix[4]arene (1a) or calix[4]arene (1b) with pentaerythritol tetrakis(2-chloroacetate) (2).
其他文献
Octadecylamine was derivatized with dansyl chloride (5-dimethylaminonaphthalene-1-sulfonyl chloride) in order to simplify and understand the LB films of fluores
当前,随着广东佛山南海黄岐广佛五金城“小悦悦”事件的发生,人们对我国公民社会公德现状进行了新的思考.本文以当前在校大学生社会公德现状为切入点并提出相应的完善对策.
Agarofuranoids with oxygen functions at C-1 and C-2 were synthesized by allylic oxidation.Ketone 2 gave compound 8 and 9 by Grignard reaction.The configuration
In this paper, the formation mechanism of the passive SEI film at the natural graphite anodes was investigated with the electrochemical impedance spectroscopy (
A perchoric acid-induced lactonization reaction of epoxy ester is described.Using lithium perchlorate, the ketone is obtained in 81% yield.
N-Acetyl-p, m or o-nitro-phenylethylamines and (HCHO)n were treated in 60% H2SO4/HOAc, via α-amidoalkylation to give 2-acetyl-mono(5, 6, 7 or 8)-nitro-1,2,3,4-
A novel reduction system is reported here in which the compounds with terminal C-C triple bond and disubstituted C-C triple bond react with NaBH4/Pd(PPh3)4 in a
Four 1,4-benzodioxane neolignans were first synthesized from pyrogallol, in which the Claisen rearrangement was used to afford three important C6-C3 units.
压力管道的安装作为管道施工的一个重难点内容,一直是业内探讨的热门话题,本文中笔者将结合自己的工作经验,结合在工作实践中遇到的各种安装质量问题,谈谈预防和处理的措施,
在经济社会快速发展的今天,汽车已经成为人们工作和生活中重要的交通工具.然而,当人们尽情的享受现代汽车工业的发展带给我们生活带来便利的同时,我们也不能回避汽车随着行驶