oxo- 或 ox-
pref.(前缀)
语源
pref.(前缀)
- Oxygen:
氧气:
oxime.
肟
语源
- From oxygen
源自 oxygen
oxo- or (before a vowel) ox-
combining form
indicating that a chemical compound contains oxygen linked to another atom by a double bond, used esp to denote that a compound is derived from a specified compound by replacement of a methylene group with a carbonyl group
⇒
oxobutanoic acid
oxo-
⇨ see ox-
⇨ see ox-
1971 Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 3) C. 176In the presence of a group having priority over carbonyl for citation as principal group, or when all the carbonyl groups cannot be included in the ketone functional class name, the presence of carbonyl-oxygen atoms is indicated by the prefixes ‘oxo-’, ‘dioxo-’, etc.
1921 Jrnl. Chem. Soc. CXIX. 1657This is the value of the factor for the oxo-linking, {b1}O{b1}.
1922 Ibid. CXXI. 1811In the oxo-compound the molecule is in one straight line.
1934 Jrnl. Amer. Chem. Soc. LVI. 795/1Ol compounds readily change to oxo compounds upon heating their solutions.
1962 . [ see ol]
1935 H. J. Lucas Org. Chem. xxxix. 514If the oxo group is on the end of a carbon chain, the compound is an aldehyde acid.
1958 Jrnl. Physiol. CXL. 154The normal metabolism of the intestinal cells overshadows or compensates for any changes in the oxo acid concentrations in the blood.
1959 Nomencl. Inorg. Chem. (I.U.P.A.C.) v. 44Most of the common acids are oxoacids, i.e., they contain only oxygen atoms bound to the characteristic atom.
1965 Phillips & Williams Inorg. Chem. I. xiv. 523Oxyacids are sometimes called oxo-acids to stress the fact that they contain XO groups in their structures.
1969 H. T. Evans tr. Hägg'sGen. &Inorg. Chem. xxi. 500Charged oxide molecules, that is oxo ions, should also be considered as oxides. The particular descriptions of these..and the corresponding oxo acids, are given under the respective central-atom element.
1971 Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 3) C. 120Trivial names for oxo carboxylic acids..may be used for the acyclic component.
1972 Cotton & Wilkinson Adv. Inorg. Chem. (ed. 3) v. 170The second main class of acid behavior is shown by compounds with X{b1}OH groups; these are called oxo acids, and generally have a formula of the type HnXOm, for example H3PO4.
Ibid. xxi. 639Many of the most important ligands having oxygen donor atoms are oxo anions, such as NO2-, NO3-, SO42- and ClO4-.
Ibid. xiv. 408Tetrahedral oxo ions such as PO43-, ClO4-, MnO4-.
1947 Chem. & Industry 1 Feb. 73/2The OXO reaction is one of general applicability to compounds containing the ethylenic double bond.
1949 R. F. Goldstein PetroleumChem. Industry x. 187The Oxo reaction is exothermic, 35k. cal. being liberated per mol of olefin reacted.
1966 McGraw-Hill Encycl. Sci. &Technol. VI. 543/1Cobalt catalysts are universally used for the Oxo reaction.
1969 . [ see hydroformylations.v. hydro-]
1971 Nature 20 Aug. 537/1 Roden..discovered the oxo or hydroformylation reaction which generates aldehydes and alcohols from olefins, carbon monoxide, and hydrogen in the presence of cobalt catalysts.
ORIGIN: from ox(ygen : see -o- .
oxo-
I.
— see ox-
II.combining form
Etymology: ox- (I)
: containing oxygen as a doubly coordinated group
< dioxouranium (VI) UO2++ >
I.
— see ox-
II.
< dioxouranium (VI) UO2++ >
oxo-
Prefix
- oxygen
- organic chemistry Having a methylene group replaced by a carbonyl group