The title compound 2,5-dimorpholinyl-3,4-di(p-chlorophenyl)thiophene (C24H24Cl2N2O2S, Mr=475.41) was obtained by the rea......

A new acyclic sesquiterpene oligoglycoside, named mukurozioside A, was isolated from pericarps of Sapindus mukurossi. O......

用气相色谱/质谱/计算机联用技术分析中药益智超临界CO_2流体萃取的挥发油成分,其中解析釜Ⅰ挥发油出峰193个,解析釜Ⅱ挥发油出峰2......

目的对泰国产姜科姜黄属植物多叶姜黄(Curcuma comosaRoxb.)干燥根茎甲醇提取物的化学成分进行分离和结构鉴定。方法C.comosaRoxb.......

[Objective]The study aimed at providing reference for the development and utilization of ginseng products and the by-pro......

目的:对给予100%(Ⅰ),50%(Ⅱ),28%(Ⅲ),12%(Ⅳ)自然光照条件的五年生北细辛的展叶期,花期,果初期,果熟期,枯萎期,叶斑病发生程度及......

目的对掘海绵属(Dysidea spp)海绵的化学成分及生物活性进行综述。方法通过检索国内外相关文献,归纳总结了该属海绵的研究情况。结......

目的:分析柱果绿绒蒿挥发油的化学成分并进行抗氧化活性研究。方法:采用水蒸气蒸馏法获得挥发油,运用气相色谱-质谱联用进行成分分......

目的：采用饱和水溶液法研究香附挥发油β-CD包合物的最佳制备工艺，并鉴定包合油的化学成分。方法：以挥发油的包合率为考察指标，以主客......

The catalytic activity of trimethyl phosphite modified HZSM-5 zeolite and un-modified HZSM-5 zeolite treated with 100% s......

An efficient procedure for N-alkylation of pyrimidines and purines in the presence of tetra-n-butylammonium hydroxide(TB......