出典:Wiktionary
出典:『Wiktionary』 (2025/04/24 14:08 UTC 版)
From hydrogenation and allantoin.
hydantoin (plural hydantoins)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/17 06:07 UTC 版)
Hydantoin, which is also known as glycolylurea, is a heterocyclic organic compound that can be thought of as a cyclic "double-condensation reaction" product of glycolic acid and urea. Its chemical structure, shown in the Table of Properties at right, is similar to that of imidazolidine except that the molecule of hydantoin has carbonyl groups in the number 2 and 4 positions in the ring. Imidazolidine is the hydrogen-saturated analogue of imidazole. Imidazole is a heterocyclic aromatic organic compound.
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