Three new ent-kaurane diterpenoids fimbrialtols K–M(3–5) with highly substituted functionalities were isolated from th......

6-(5-Carboxyl-2-methoxyphenyl)-apigenin(1),a new flavonoid,was isolated from the 60% ethanol extract of Selaginella unci......

研究了以造纸白泥、电石渣及工业废硫酸为原料制备化学建材石膏的原料二水石膏的工艺条件和影响因素，同时采用废水闭路循环回用工艺......

以香草醛为原料，经甲醚化，氧化和Ｃｌａｓｉｅｎ缩合，合成了相应的β－酮酸酯，再经改进的Ｋｎｏｒｒ反应，实现β酮酸酯的偶联，通过环化，选择性氢化还原等反应，成功会合......

A new protoilludane sesquiterpenoid aromatic ester,named armillarizin(1)has been isolated from the artificially cultured......

采用超高效液相色谱-质谱法测定蘑菇中α-鹅膏毒肽、β-鹅膏毒肽、γ-鹅膏毒肽、二羟鬼笔毒肽和羧基二羟鬼笔毒肽等5种毒肽的含量......