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Synthesis and Structure of Corona[6](het)arenes Containing Mixed Bridge Units
Organic Letters ( IF 4.9 ) Pub Date : 2016-05-16 00:00:00 , DOI: 10.1021/acs.orglett.6b01112
Zhan-Da Fu 1 , Qing-Hui Guo 1, 2 , Liang Zhao 1 , De-Xian Wang 2 , Mei-Xiang Wang 1
Affiliation  

A one-pot nucleophilic aromatic substitution reaction of 3,6-dichlorotetrazine with various diphenols and dibenzenethiols produced corona[4]arene[2]tetrazines that contain mixed oxygen, sulfide, methylene, and sulfone linkages. Macrocyclic ring transformations employing an inverse-electron-demand Diels–Alder reaction of tetrazine moieties with enamines and the subsequent sulfide oxidation reaction afforded diverse corona[4]arene[2]pyridazines. The acquired corona[6]arenes adopted three types of conformational structures in the crystalline state.

中文翻译:

含混合桥单元的电晕[6](杂)芳烃的合成与结构

3,6-二氯四嗪与各种二酚和二苯硫醇的一锅亲核芳香取代反应可生成含有混合的氧,硫化物,亚甲基和砜键的电晕[4]芳烃[2]四嗪。利用四嗪部分与烯胺的反电子需求的Diels-Alder反应进行大环转化,然后进行硫化物氧化反应,得到了多种电晕[4]芳烃[2]哒嗪。获得的电晕[6]芳烃在晶体状态下采用了三种类型的构象结构。
更新日期:2016-05-16
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