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Citation: Xuange Zhang, Tianyu Lu, Yan Cai, Zihong Yan, Zhiwei Miao. Synthesis and Structural Characterization of Two Types of Chromene Derivatives Containing Pyrazolone or Indol-2-one: Reaction and Chemoselectivity of Carbonyl and Aldehyde Groups[J]. University Chemistry, ;2020, 35(3): 76-81. doi: 10.3866/PKU.DXHX201907004 shu

Synthesis and Structural Characterization of Two Types of Chromene Derivatives Containing Pyrazolone or Indol-2-one: Reaction and Chemoselectivity of Carbonyl and Aldehyde Groups

Xuange Zhang ^1, ,
Tianyu Lu ¹ ,
Yan Cai ¹ ,
Zihong Yan ² ,
Zhiwei Miao ^1,2

1.
State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China;
2.
College of Chemistry and Environmental Sciences, Kashgar University, Kashgar 844006, Xinjiang Uygur Autonomous Region, P. R. China

Received Date: 2 July 2019

Under the catalytic conditions of tetrahydropyrrole, an addition-elimination reaction of chromone aldehyde with methylpyrazolone or 2-indolinone is carried out to obtain two kinds of chromene derivatives containing pyrazolone or indol-2-one. The structures are identified by ¹H NMR, ¹³C NMR, HPLC, HRMS and melting point measurements.
- Pyrazolone chroman derivative,
- Indolinone chroman derivatives,
- Synthesis,
- Structural characterization
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