期刊
ORGANIC LETTERS
卷 18, 期 11, 页码 2668-2671出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b01112
关键词
-
资金
- National Natural Science Foundation of China [21132005, 91427301, 21421064]
- Tsinghua University
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.
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