Lectionary Calendar
Sunday, December 22nd, 2024
the Fourth Week of Advent
the Fourth Week of Advent
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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).
Copyright Statement
These files are public domain.
These files are public domain.
Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Hydantoin'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/h/hydantoin.html. 1910.
Chisholm, Hugh, General Editor. Entry for 'Hydantoin'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/h/hydantoin.html. 1910.
