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单词 maleyl
释义

maleyln.

Brit. /ˈmaleɪɪl/, U.S. /ˈmæleɪɪl/
Origin: Formed within English, by derivation. Etymons: maleic adj., -yl suffix.
Etymology: < male- (in maleic adj.) + -yl suffix.
Chemistry.
= maleoyl n. Usually attributive or as a formative element in chemical names.
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the world > matter > chemistry > organic chemistry > organic radicals > [noun] > bivalent radicals
fumaryl1864
xylylene1868
maleyl1887
malonyl1888
fumaroyl1952
maleoyl1956
1887 Jrnl. Chem. Soc. 52 ii. 671 Maleic anhydride yields with phenylhydrazine malëylphenylhydrazine.
1941 Thorpe's Dict. Appl. Chem. (ed. 4) V. 387/1 The analogous structure..has been assigned to maleyl chloride in view of its abnormal reactivity.
1963 Jrnl. Pharmaceut. Sci. 52 1168 There are marked differences in biological potency between maleyl and fumaryl dicholines compared with succinyl dicholine.
1982 T. M. Devlin Textbk. Biochem. xii. 585 Maleylacetoacetate is isomerized to fumarylacetoacetate, which undergoes hydrolytic cleavage to fumarate and acetoacetate.
This is a new entry (OED Third Edition, June 2000; most recently modified version published online March 2022).
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n.1887
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