专业释义英英释义
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大环 - 引用次数：16
For a long time,it has been widely accepted that a macrocycle needs at least 24 C,N,O or S atoms for the threading of an alkyl group into its cavity.
人们广泛认为烷基能穿过大环的空腔至少需要24个C、N、O或S原子。
参考来源 - 基于冠醚与二级铵盐的主客体化学 -
大旋回
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Macrocycle
- abstract: A macrocycle is, as defined by IUPAC, "a cyclic macromolecule or a macromolecular cyclic portion of a molecule." In the chemical literature, organic chemists may consider any molecule containing a ring of nine or more atoms to be a macrocycle.
以上来源于: WordNet
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