Efficient One-Pot Synthesis of Tetrahydrobenzo[<i>c</i>]xanthene-1,11-dione Derivatives Under Microwave Irradiation
Xiaojun Suna School of Chemistry and Chemical Engineering, Huaiyin Normal University , Huaian , ChinaJianfeng Zhoua School of Chemistry and Chemical Engineering, Huaiyin Normal University , Huaian , ChinaSanjun Zhia School of Chemistry and Chemical Engineering, Huaiyin Normal University , Huaian , China
2012en
ABI
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Abstract An efficient one-pot condensation of 4-hydroxylcoumarin, aromatic aldehydes, and 5,5-dimethylcyclohexane-1,3-dione has been achieved with molecular iodine as a catalyst via conventional heating and microwave irradiation techniques, and thus a variety of new tetrahydrobenzo[c]xanthene-1,11-dione derivatives were prepared in good yields.
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