Metal‐Free‐Mediated Oxidation Aromatization of 1,4‐Dihydropyridines to Pyridines Using Visible Light and Air | Zendy

Wei Xiaojing | Zendy; Wang Lin | Zendy; Jia Wenliang | Zendy; Du Shaofu | Zendy; Wu Lizhu | Zendy; Liu Qiang | Zendy

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Metal‐Free‐Mediated Oxidation Aromatization of 1,4‐Dihydropyridines to Pyridines Using Visible Light and Air

Author(s) -

Wei Xiaojing,

Wang Lin,

Jia Wenliang,

Du Shaofu,

Wu Lizhu,

Liu Qiang

Publication year - 2014

Publication title -

chinese journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.28

H-Index - 41

eISSN - 1614-7065

pISSN - 1001-604X

DOI - 10.1002/cjoc.201400521

Subject(s) - chemistry , aromatization , visible spectrum , pyridine , eosin y , catalysis , photocatalysis , photochemistry , environmentally friendly , salt (chemistry) , metal , inorganic chemistry , organic chemistry , ecology , physics , optoelectronics , biology

A metal‐free and environmentally friendly aerobic aromatization photosensitized by organic dye eosin Y bis(tetrabutyl ammonium salt) (TBA‐eosinY) has been developed. With the aid of K 2 CO 3 , the aerobic catalytic system converts 1,4‐dihydropyridines to their corresponding pyridine derivatives efficiently under visible light irradiation ( λ =450 nm) at room temperature.

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