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Friday, November 22nd, 2024
the Week of Proper 28 / Ordinary 33
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Bible Encyclopedias
Hydantoin

1911 Encyclopedia Britannica

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(glycolyl urea), C3H4N202 (glycoluric) acid,H 2 NCO-NH. CH 2 CO 2 H, which is readily soluble in hot water, and on heating with hydriodic acid decomposes into ammonia, carbon dioxide and glycocoll, CH2NH2C02H. Many substituted hydantoins are known; the a-alkyl hydantoins are formed on fusion of aldehydeor ketone-cyanhydrins with urea, the 13-alkyl hydantoins from the fusion of mono-alkyl glycocolls with urea, and the 'y-alkyl hydantoins from the action of alkalis and alkyl iodides on the a-compounds. y-Methyl hydantoin has been obtained as a splitting product of caffeine (E. Fischer, Ann., 1882, 215, p. 253).

Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Hydantoin'. 1911 Encyclopedia Britanica. https://www.studylight.org/​encyclopedias/​eng/​bri/​h/hydantoin.html. 1910.
 
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