| 释义 |
barbituric acid
bar·bi·tu·ric acid B0072200 (bär′bĭ-to͝or′ĭk, -tyo͝or′-)n. An acidic pyrimidine derivative, C4H4O3N2, used in the manufacture of barbiturates and some plastics.
[Partial translation of German Barbitursäure (coined by German chemist Adolf von Baeyer (1835-1917), purportedly after he discovered the compound on December 4, 1864, the feast of Saint Barbara, by combining malonic acid and urea) : Barbit- (irregularly derived from the name Barbara) + New Latin ūr(ea), urea; see urea + German Säure, acid.]barbituric acid (ˌbɑːbɪˈtjʊərɪk) n (Elements & Compounds) a white crystalline solid used in the preparation of barbiturate drugs. Formula: C4H4N2O3. Systematic name: 2,4,6-trioxypyrimidine Also called: malonylurea [C19: partial translation of German Barbitursäure, perhaps from the name Barbara + uric + Säure acid]bar′bitu′ric ac′id (ˈbɑr bɪˈtʊər ɪk, -ˈtyʊər-, ˌbɑr-)
n. a white, crystalline, slightly water-soluble powder, C4H4N2O3, used chiefly in the synthesis of barbiturates. [1865–70; < French barbiturique < German Barbitur(säure) barbituric acid (of uncertain orig.) + -ique -ic] Thesaurus| Noun | 1. |  barbituric acid - a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugsmalonylureaacid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt |
Translationsbarbituric acid
barbituric acid a white crystalline solid used in the preparation of barbiturate drugs. Formula: C4H4N2O3 barbituric acid[¦bär·bə¦tu̇r·ik ′as·əd] (organic chemistry) C4H4O3N22,4,6-Trioxypyrimidine, the parent compound of the barbiturates; colorless crystals melting at 245°C, slightly soluble in water. barbituric acid
barbituric acid [bahr″bi-tu´rik] the parent substance of the barbiturates, not itself a central nervous system depressant.bar·bi·tu·ric ac·id (bar'bi-chūr'ik as'id), A crystalline dibasic acid from which barbital and other barbiturates are derived; has no sedative action. Synonym(s): malonylureabarbituric acid (bär′bĭ-to͝or′ĭk, -tyo͝or′-)n. An acidic pyrimidine derivative, C4H4O3N2, used in the manufacture of barbiturates and some plastics.bar·bi·tu·ric ac·id (bar'bi-chūr'ik as'id) A nonsedating crystalline dibasic acid from which barbital and other barbiturates are derived. barbituric acid
Related to barbituric acid: aspirinSynonyms for barbituric acidnoun a white crystalline acid derived from pyrimidineSynonymsRelated Words |