单词 | ring isomerism |
释义 | ring isomerism [`riŋ ī`säm·ǝ´riz·ǝm] ORGANIC CHEMISTRY A type of geometrical isomerism in which bond lengths and bond angles prevent the existence of the trans structure if substituents are attached to alkenic carbons which are part of a cyclic system, the ring of which contains fewer than eight members; for example, 1,2- dichlorocyclohexene. |
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