carbamiden.

/ˈkɑːbəmʌɪd/

Etymology: < carbo- comb. form + amide n.

Chemistry.

Analytical name of the organic compound urea n., CO·2(NH₂), as a primary diamide of Carbonyl. Hence sulpho-carbamide or sulphur urea, in which CS takes the place of CO.

ΚΠ

1865 C. B. Mansfield Theory of Salts 367 The compound ‘Carbamide’ is not yet known in the separate state.

1877 H. Watts Fownes's Man. Elem. Chem. II. 391 Carbamide or Urea..was the first instance of the artificial formation of a product of the living organism.

Derivatives

Categories »

ˈcarbamate n. a salt of carbamic acid, as ammonium carbamate, CO·NH₂· O·NH₄.

carˈbamic adj. [see amic adj.] related to carbamide, as in carbamic acid, CO·NH₂·OH, carbamic ethers.

ΚΠ

1871 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxxv. 382 Carbamic Acid.

Draft additions 1993

ˈcarbamyl n.

/ˈkɑːbəmaɪl/

/ˈkɑːbəmɪl/ the monovalent radical NH₂CO—, derived from carbamic acid; usually attributive.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic radicals > [adjective] > miscellaneous named

tetrylic1857

amylic1858

xylylic1868

azoxy1873

sulphonic1873

ethoxy1880

polycarboxylic1898

ethoxyl1903

carbamyl1907

ethoxylated1912

1906 Tingle & Robinson in Amer. Chem. Jrnl. 36 230 The compound was designated..as ‘semicarbazine camphoformeneaminecarboxylic acid’... The term ‘carbamyl’ designates satisfactorily the carbamide residue, —NHCONH₂, which is present.]

1907 Chem. Abstr. 1 2107 Carbamyl chloride does not react readily with phenols.

1954 S. Duke-Elder Parsons' Dis. Eye (ed. 12) v. 70 Two drugs are sometimes employed which combine the direct and indirect methods of stimulation [of the eye muscles]—doryl (carbachol) (carbamyl-choline chloride) (1.0 per cent.) and urecholine.

1970 R. W. McGilvery Biochemistry xx. 487 Uracil and thymine are metabolized by the same routes... The two products are carbamyl derivatives of the corresponding β-amino acids... The carbamyl group is removed by hydrolysis, releasing the free amino acids and ammonia and CO₂.

This entry has not yet been fully updated (first published 1888; most recently modified version published online September 2018).

单词	carbamide
释义	carbamiden. /ˈkɑːbəmʌɪd/ Etymology: < carbo- comb. form + amide n. Chemistry. Analytical name of the organic compound urea n., CO·2(NH₂), as a primary diamide of Carbonyl. Hence sulpho-carbamide or sulphur urea, in which CS takes the place of CO. ΚΠ 1865 C. B. Mansfield Theory of Salts 367 The compound ‘Carbamide’ is not yet known in the separate state. 1877 H. Watts Fownes's Man. Elem. Chem. II. 391 Carbamide or Urea..was the first instance of the artificial formation of a product of the living organism. Derivatives Categories » ˈcarbamate n. a salt of carbamic acid, as ammonium carbamate, CO·NH₂· O·NH₄. carˈbamic adj. [see amic adj.] related to carbamide, as in carbamic acid, CO·NH₂·OH, carbamic ethers. ΚΠ 1871 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxxv. 382 Carbamic Acid. Draft additions 1993 ˈcarbamyl n. /ˈkɑːbəmaɪl//ˈkɑːbəmɪl/ the monovalent radical NH₂CO—, derived from carbamic acid; usually attributive. ΘΚΠ the world > matter > chemistry > organic chemistry > organic radicals > [adjective] > miscellaneous named tetrylic1857 amylic1858 xylylic1868 azoxy1873 sulphonic1873 ethoxy1880 polycarboxylic1898 ethoxyl1903 carbamyl1907 ethoxylated1912 1906 Tingle & Robinson in Amer. Chem. Jrnl. 36 230 The compound was designated..as ‘semicarbazine camphoformeneaminecarboxylic acid’... The term ‘carbamyl’ designates satisfactorily the carbamide residue, —NHCONH₂, which is present.] 1907 Chem. Abstr. 1 2107 Carbamyl chloride does not react readily with phenols. 1954 S. Duke-Elder Parsons' Dis. Eye (ed. 12) v. 70 Two drugs are sometimes employed which combine the direct and indirect methods of stimulation [of the eye muscles]—doryl (carbachol) (carbamyl-choline chloride) (1.0 per cent.) and urecholine. 1970 R. W. McGilvery Biochemistry xx. 487 Uracil and thymine are metabolized by the same routes... The two products are carbamyl derivatives of the corresponding β-amino acids... The carbamyl group is removed by hydrolysis, releasing the free amino acids and ammonia and CO₂. This entry has not yet been fully updated (first published 1888; most recently modified version published online September 2018). < n.1865
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