单词 | carbocyclic |
释义 | > as lemmascarbocyclic carbocyclic adj. Brit. /ˌkɑːbə(ʊ)ˈsʌɪklɪk/ , /ˌkɑːbə(ʊ)ˈsɪklɪk/ , U.S. /ˌkɑrboʊˈsaɪklɪk/ , /ˌkɑrboʊˈsɪklɪk/ designating a ring of carbon atoms, with no hetero-atoms; (of a molecule or compound) containing such a ring.ΘΚΠ the world > matter > chemistry > organic chemistry > [adjective] > organic structure > cyclic or ring compounds > carbo-cyclic carbocyclic1899 1899 Jrnl. Chem. Soc. 76 i. 59 (heading) Formation of carbocyclic compounds from 1:5- and 1:6-diketones by converting them into their pinacones. 1954 T. Vickerstaff Physical Chem. Dyeing (ed. 2) ix. 287 Several carbocyclic quinones and some vat dyes were reduced catalytically with hydrogen. 1981 P. Sykes Guidebk. to Mechanism in Org. Chem. (ed. 5) i. 18 The ring structure need not be purely carbocyclic, and pyridine,..with a nitrogen atom in the ring..is as highly stabilised as benzene. 2004 Proc. National Acad. Sci. U.S.A. 101 12064/1 The structure..comprises..two six-membered ring systems, one carbocyclic and the other heterocyclic. < as lemmas |
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