cyclic compound

Methods: The compound was synthesize by steps of reduction, condensation and cyclic condensation from 1, 2-dicyanocyclobutane.

方法以1, 2- 二氰基环丁烷为原料,经还原 、 缩合、环合三步反应得到洛铂.

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This paper reviewed the application of Arsenic reagent in organic synthesis, cyclic compound, unsatured aldehyde ketone 、 amide 、 related natural product 、 derivative of ethyleneamine.

综述了砷试剂在合成元素有机化合物，环状化合物，不饱和醛酮、酰胺以及有关的天然产物，烯胺的衍生物等方面的应用。

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The simpler way to judge C~ R/ S patterns of cyclic compound

判定环状化合物C~R/S构型的简单方法

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The inflammation retardation period, combustion continuance period and combustion cyclic variability of compound alcohol fuels is greater than that of gasoline.

醇类混合燃料的着火延迟期、燃烧持续期、燃烧循环变动都大于汽油，放热规律与汽油相似。

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The ortho-compound formed penta cyclic compound was more stable that the meta-compound formed hexa cyclic compound, so the reaction rate of the ortho-compound is larger.

由邻位化合物生成的五元环络合物比由间位化合物形成的六元环络合物稳定性高，反应速度快。

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The main pollutants were phthalates, phenols and cyclic compound which had a high percentages ( 85%-94%).

自来水处理前、后所含的主要污染物均是邻苯二甲酸酯及酚类，环状化合物所占比例很大（85%～94%）。

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And if there is a hydroxyl in ortho position of carboxyl, the oxygen of hydroxyl and carboxyl in ligand are bound to Ti to form hexatomic cyclic compound.

而羧基邻位有酚羟基存在时，则配体以双齿形式与钛配位形成二茂钛六元环状化合物。

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Synthesis and Structural Analysis of Schiff Base Cyclic Polyether Compound Bearing Hydroxy Functional Group

含羟基功能团Schiff碱大环聚醚化合物的合成及其结构分析

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