期刊
GREEN CHEMISTRY
卷 16, 期 8, 页码 3752-3757出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4gc00337c
关键词
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资金
- National Science Foundation of China [21172102]
- Ministry of Science and Technology of China [2013CB834804]
- Fundamental Research Funds for the Central Universities
An efficient visible-light-driven photocatalytic oxidation of various 2-substituted dihydropyrimidines and phenolic imines has been achieved using an organic photocatalyst eosin Y bis(tetrabutyl ammonium salt) (TBA-eosin Y) and inexpensive oxidant molecular oxygen. With the aid of a base, significantly enhanced photoinduced electron transfer from substrates dihydropyrimidines or phenolic imines to the excited state of TBA-eosin Y has enabled the aerobic oxidation to yield 2-(methylthio)pyrimidines or 2-aryl-benzoxazoles selectively.
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