chroman

常见例句

The key step of the synthesis of chroman derivatives is to construct chiral chroman ring.
合成色满衍生物的关键是构建含有手性中心的色满环。
In this paper the properties of five types of antioxidants such as phenol (A), biphenol (B), hydroquinone (C), chroman (D) and spirochroman (E) have been studied.
本文研究了苯酚类(A),双酚类(B),对苯二酚类(C),色满类(D)和双螺色满类(E)抗氧化剂的性能。
This review briefly summarizes the recent progress in the methodologies for the synthesis of chiral chroman derivatives.The applications of these methods in ste...
本文根据色满环构建方式的不同进行分类,概述了近十几年来合成手性色满衍生物的新方法,侧重讨论了各种合成方法在合成立体结构专一的色满环时的特点。
In this paper the physical and chemical quenching rate constants of antioxidants such as chroman,spirochroman,p-methoxyphenol and spirobiindene quenching singlet oxygen have been measured by high performance liquid chromatography.
本文利用高效液相色谱法测定了色满类,双螺色满类,对一甲氧基苯酚类和双螺茚类抗氧化剂与单重态氧反应的物理猝灭速率常数和化学猝灭速率常数。
Asymmetric Synthesis of Chroman Derivatives
色满衍生物的不对称合成
Keywords Chroman;Thermolysis;Transition state;
苯并二氢吡喃;热分解;过渡态;