| 释义 |
decarboxylate, v. Chem.|diːkɑːˈbɒksɪleɪt|
[Back-formation from next.]
a. trans. To remove a carboxyl group from.
b. intr. To lose a carboxyl group, to undergo decarboxylation. Hence decarˈboxylated, decarˈboxylating ppl. adjs.
1922Jrnl. Biol. Chem. L. 132 Are all strains of colon bacilli capable of decarboxylating histidine in our standard medium? 1930Biochem. Jrnl. XXIV. 262 It is necessary to employ a decarboxylating reagent. 1946Nature 27 July 132/1 The carboxyl group..is very unstable and in the presence of alkali readily loses carbon dioxide, forming a decarboxylated compound. 1959A. Albert Heterocyclic Chem. vii. 269 Dehydracetic acid undergoes ring-opening to aceto-acetylacetone-3-carboxylic acid: this decarboxylates to acetoacetylacetone which cyclizes to 2:6-dimethyl-γ-pyrone. 1962S. G. Waley in A. Pirie Lens Metabolism Rel. Cataract 354 Only certain carboxylic acids..decarboxylate readily non-enzymatically. 1964W. G. Smith Allergy & Tissue Metabolism iii. 36 Mast cells can decarboxylate histidine at an appreciable rate. |
