词条„five-membered“在英语 » 德语中的译文

five-mem·ber·ed ˈring 名词 化

five-membered ring

Fünfring m

单语范例（未经PONS编辑处理）

英语

It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing pyrrole ring.

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The nitrogen then performs an intramoleculer attack on the carbonyl group to form the five-membered ring of compound 6.

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Oxygen has two lone pairs, one of which occupies a p-orbital on that position, thereby maintaining the conjugation of that five-membered ring.

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Thiophene is a five-membered aromatic ring containing four carbon atoms and a sulfur atom.

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These domains are important because they are involved in the formation of the five-membered heterocyclic ring of the thiazole.

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