Efficient Acylation and One-Pot Synthesis of Dehydroandrographolide Succinate on a Large Scale Assisted with Microwave Radiation

…, L He, HB Yin, H Zheng, D Bei, JJ Deng…

Index: Luo, Xin-Feng; He, Ling; Yin, Hai-Bin; Zheng, Hu; Bei, Di; Deng, Jin-Jin; Huang, Wen-Cai Synthetic Communications, 2009 , vol. 39, # 19 p. 3444 - 3452

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Abstract

Abstract A rapid and convenient method for acylation and large-scale synthesis of dehydroandrographolide succinate has been developed under microwave irradiation. It is a one-pot condensation and is compatible with dehydration and rearrangement of double bond in mild reaction conditions with good yield, high purity (up to 99.8%), time-savings, few pollutants and low cost. In addition, a number of acylation derivatives were synthesized ...