A series of 8,9-dihydro-2-(2-oxo-2H-chromen-3-yl)-5-aryl-3/f-chromeno[2,3-(flpyrimidine-4,6(5ff,7//)-diones(5a-j) have b......

[Objective] To optimize the extraction technology of effective components from DAPHNES CORTEX by orthogonal test. [Metho......

青蒿系菊科艾属植物黄花蒿(Artemisia annuaL),为常用中药,民间用于高热不退、气管炎、疟疾等病的治疗。我们曾以四川酉阳青蒿叶......

A new compound, named daphnolin (1), was isolated from the stem barks of Daphne giraldii Nitsche. Its structure was eluc......

In this communication, a new supramolecualr amphiphile was successfully constructed based on water soluble pillar[5]aren......

从长白山产当归属中草药黑水当归、狭叶当归、大活和朝鲜当归中分离出１２种香豆素。经理化常数和光谱分析，确定为伞形花内酯，佛手柑内酯......

从伞形科前胡属植物泰山前胡（Ｐｅｕｃｅｄａｎｕｍ ｗａｗｒｉｉ （Ｗｏｌｆｆ）Ｓｕ）的根中分离得到８个化合物，通过理化常数和波谱学方法确定其结构，分别是：Ｐｄ－１ｂ（Ｖ），ｐｅｕｃｅｄａｎｏｃｏｕｍａｒｉｎⅡ（Ⅵ），中甸前胡素（ｄ－ｌａｓｅｒｐｉｔｉｎⅧ），佛手柑内酯（ｂｅｒｇａｐｔｅｎ ......

从云南丽江地区应用的前胡品种二色棱子芹的根分离鉴定了１３个化合物，分别为角型喃香豆素６－甲氧基当归素，虎耳草素，角型二氢吡喃香豆素白花......

Sulfated tin oxide (STO) has been found to be an efficient reusable solid superacid catalyst for C3-alkylation and O-alk......