四氢萘加氢裂化反应的关键步骤和双环化合物裂解的转化率以及单环化合物的产率与两种催化剂担体的酸性及反应温度有关。
The key steps of hydrocracking of tetralin, the conversion of double ring compounds and the yields of mono-ring compounds were affected by the reaction temperature and the acidity of two catalysts.
合成了系列糖苷的双杂环化合物及含有糖结构的核苷类似物，培养单晶。
Series of glycosides have been designed and synthesized, and some of the sing crystals have been prepared.
嘌呤：嘌呤是对由碳、氮原子组成的双环结构的杂环化合物的统称。
Purine: Any of a class of heterocyclic compounds with a two-ring structure composed of carbon and nitrogen atoms.
其次，先将靛红和丙二腈缩合制备得亲偶极体后与另一分子靛红及肌氨酸进行三组分反应可以合成含有两个不同吲哚片段的双螺环化合物。
Secondly, the three components of isatin, sarcosine and dipolarophiles condensed by isatin and malononitrile were involved in forming dispiro compounds including two of different indole moieties.
杂环化合物由于具有优良的双光子性质，高的光学稳定性，因而成为研究的重点。
Due to the excellent two-photon nature of the high optical stability, the heterocyclic compounds thus become the focus of the study.
本论文有关合成含n - O键双环杂环化合物的实验结果收录在第二章。
Presented in Chapter 2 are the experimental details on synthesis of the bicyclic heterocycles bearing an N-O bond.
本论文有关合成含n - O键双环杂环化合物的实验结果收录在第二章。
Presented in Chapter 2 are the experimental details on synthesis of the bicyclic heterocycles bearing an N-O bond.
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