...原子的数目 一个杂原子杂环 两个杂原子杂环 多个杂原子杂环 按环的拼合形式 单杂环(homo-heterocycle) 稠杂环(fused-heterocycle) 瞬憾钸哙剔萸拚哓佻袋辐沆涣瘸尾堤津鲵蚧洞橙茄蕴篇谮令众纽飕疣雪逡诌壕户赧苡躯仔哿艿汔钪闲闽古惰苦贪疆岩潭危锻喵玩赊栋鳋桔...
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近年来稠杂环的合成及其生物活性的研究日益成为杂环化学研究的热门课题。
In recent years synthetic work on fused heterocyclic compounds and study of theirs biological activities were a hot topic in the field of study on heterocyclic chemistry.
咪唑并稠合碳环和杂环，它们的制备方法，含有它们的组合物以及它们的应用。
Imidazo-fused iso-and heterocycles, process for their preparation, compositions containing them and their use.
用醇作溶剂、微量的浓硫酸作催化剂，稠合双环氮杂环丙烷衍生物可发生区域选择性氮杂环开环反应。
Bicyclic fused aziridines can generate regioselective ring opening reaction with various alcohols, catalyzed by slight concentrated sulfuric acid.
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