From the ethanol extract of the whole plant of Boschniakia himalaica Hook.f et. Thoms,a new and two known lignans have b......

以6－氨基胡椒醛为原料，与邻羟基苯乙酮（2a），4－氯－2－羟基苯乙酮（2b）发生Friedlaender综合反应，得到新的喹啉衍生物2－（2－羟基苯基）－6，7－亚甲二氧基喹啉（3......