引用本文:
王慧彦, 周丹丹, 陈秭君. 4-羟基-3-(2-亚氨基乙基)-2H-苯并吡喃-2-酮类化合物的超声辐射合成[J]. 应用化学,
2013, 30(2): 153-158.
doi:
DOI:10.3724/SP.J.1095.2013.20129
Citation: WANG Huiyan, ZHOU Dandan, CHEN Zijun. Synthesis of 4-Hydroxy-3-(2-imino ethyl)-2H-chromen-2-one Derivatives under Ultrasound Irradiation[J]. Chinese Journal of Applied Chemistry, 2013, 30(2): 153-158. doi: DOI:10.3724/SP.J.1095.2013.20129
Citation: WANG Huiyan, ZHOU Dandan, CHEN Zijun. Synthesis of 4-Hydroxy-3-(2-imino ethyl)-2H-chromen-2-one Derivatives under Ultrasound Irradiation[J]. Chinese Journal of Applied Chemistry, 2013, 30(2): 153-158. doi: DOI:10.3724/SP.J.1095.2013.20129
4-羟基-3-(2-亚氨基乙基)-2H-苯并吡喃-2-酮类化合物的超声辐射合成
English
Synthesis of 4-Hydroxy-3-(2-imino ethyl)-2H-chromen-2-one Derivatives under Ultrasound Irradiation
Abstract:
A series of 4-hydroxy-3-(2-imino ethyl)-2H-chromen-2-ones was first synthesized by the reaction of 4-hydroxy-3-acetyl coumarin and amines in alcohol with 4-methylbenzenesulfonic acid as catalyst under ultrasonic irradiation.The yields were in the range of 62%~94%.The structures of the products were confirmed by IR,1H NMR and HRMS.The structure of compound 3c was determined by X-ray single-crystal diffractions.The advantages of this method are high yield,shorter reaction time,mild condition and simple work-up procedures.
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Key words:
- Schiff base
- / acetyl-hydroxy-2H-chromen-one
- / ultrasound irradiation
- / synthesis
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