methoxy-

a combining form occurring in the names of chemical compounds in which the methoxy group is present:

methoxychlor.

Related Words

mestranol
methoxybenzene
methoxychlor
methoxyflurane
naproxen

methoxy(-) Chem.|mɛˈθɒksɪ|[f. methoxyl (cf. hydroxy-).]a. As an inseparable formative element in chem. names, indicating the presence of a methoxyl group, as methoxy-acetophenone, methoxy-benzoic adj., methoxy-pyridine, methoxy-succinic adj.; meˈthoxychlor, a crystalline compound, (C₆H₄OCH₃)₂CHCCl₃, of similar chemical structure to DDT, which is used as an insecticide, esp. for veterinary hygiene.1942Fuson & Snyder Org. Chem. xxi. 288 A remarkable instance of catalysis has been observed in the formation of p-methoxyacetophenone from anisole by treatment with acetic anhydride1964N. G. Clark Mod. Org. Chem. xxiii. 479 Like the aromatic aldehydes, the ketones are frequently employed as synthetic intermediates, and as ingredients in perfumery. Some simple derivatives possess quite delightful odours, for example, p-methylacetophenone (hawthorn), p-methoxyacetophenone (heliotrope).1895Perkin & Kipping Org. Chem. II. xxvi. 397 The methylcresols..are oxidised by chromic acid, yielding the corresponding methoxybenzoic acids, C₆H₄(OCH₃)·COOH.1949Jrnl. Econ. Entomol. XLII. 845/1 Ellenville line flies exhibited resistance to residues of both DDT and methoxychlor.1959H. Martin Sci. Princ. Crop Protection (ed. 4) x. 203 When methoxychlor was used instead [of DDT], Carter et al. were unable to detect the insecticide in the milk.1969K. A. Hassall World Crop Protection II. iv. 88 Methoxychlor..shows a lower tendency than DDT to dissolve in animal fats and also possesses a much lower acute oral toxicity to higher animals. It is therefore used on and near livestock.1973Globe & Mail (Toronto) 8 Sept. 8/3 City golf courses and cemeteries were relatively mosquito-free, having been fogged all along with methoxychlor, a new insecticide that doesn't have the harmful properties of DDT.1889G. M'Gowan tr. Bernthsen's Text-bk. Org. Chem. 486 Methoxy-pyridine and methyl-pyridone, which result from these two forms by exchange of H..for CH₃, are known.1893Jrnl. Chem. Soc. LXIII. 229 Inactive methoxy⁓succinic acid may be resolved into two active acids, of equal and opposite rotatory powers.b. As an independent word, usu. attrib. and sometimes joined by a hyphen to the second element: = methoxyl.1900Perkin & Kipping Org. Chem. (rev. ed.) xxxiii. 485 By far the greater number of alkaloids contain one or two, sometimes three or more, methoxy-groups.., united with a benzene nucleus.1946Jrnl. Pharmacol. & Exper. Therap. LXXXVIII. 413 Substitution of chlorine by a..methoxy, butoxy or amyloxy group yields ineffective compounds.1969Times 10 Feb. 10/8 Dr. Shulgin..prepared many derivatives of mescalin, differing from the parent compound in their pattern of methoxy substitution on the phenyl ring.1971Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 2) C. 154 The following contractions for oxygen-containing radical names are recommended... Methoxy CH₃{b1}O{b1}.

methoxy- /mɪˈθɒksi/ combining form. Also as attrib. adjective methoxy.

ORIGIN: from meth- + oxy-.

Chemistry. Designating or containing a methoxyl group.

DERIVATIVE methoxychlor noun a crystalline compound, (C₆H₄OCH₃)₂CHCCl₃, related to DDT and used as an insecticide, esp. for veterinary hygiene M20.

methoxy-
combining form
Etymology: International Scientific Vocabulary, from methoxyl
: containing methoxyl — in names of chemical compounds
< methoxyacetophenone >

methoxy-

Prefix

Alternative form of methoxy

词汇	methoxy-
词根词缀	Dictionary.com OED SOED Webster Wiktionary methoxy- 1 a combining form occurring in the names of chemical compounds in which the methoxy group is present: methoxychlor. Related Words mestranol methoxybenzene methoxychlor methoxyflurane naproxen methoxy(-) Chem.\|mɛˈθɒksɪ\|[f. methoxyl (cf. hydroxy-).]a. As an inseparable formative element in chem. names, indicating the presence of a methoxyl group, as *methoxy-acetophenone, methoxy-benzoic* adj., *methoxy-pyridine, methoxy-succinic* adj.; meˈthoxychlor, a crystalline compound, (C₆H₄OCH₃)₂CHCCl₃, of similar chemical structure to DDT, which is used as an insecticide, esp. for veterinary hygiene.1942Fuson & Snyder Org. Chem. xxi. 288 A remarkable instance of catalysis has been observed in the formation of p-methoxyacetophenone from anisole by treatment with acetic anhydride1964N. G. Clark Mod. Org. Chem. xxiii. 479 Like the aromatic aldehydes, the ketones are frequently employed as synthetic intermediates, and as ingredients in perfumery. Some simple derivatives possess quite delightful odours, for example, p-methylacetophenone (hawthorn), p-methoxyacetophenone (heliotrope).1895Perkin & Kipping Org. Chem. II. xxvi. 397 The methylcresols..are oxidised by chromic acid, yielding the corresponding methoxybenzoic acids, C₆H₄(OCH₃)·COOH.1949Jrnl. Econ. Entomol. XLII. 845/1 Ellenville line flies exhibited resistance to residues of both DDT and methoxychlor.1959H. Martin Sci. Princ. Crop Protection (ed. 4) x. 203 When methoxychlor was used instead [of DDT], Carter et al. were unable to detect the insecticide in the milk.1969K. A. Hassall World Crop Protection II. iv. 88 Methoxychlor..shows a lower tendency than DDT to dissolve in animal fats and also possesses a much lower acute oral toxicity to higher animals. It is therefore used on and near livestock.1973Globe & Mail (Toronto) 8 Sept. 8/3 City golf courses and cemeteries were relatively mosquito-free, having been fogged all along with methoxychlor, a new insecticide that doesn't have the harmful properties of DDT.1889G. M'Gowan tr. Bernthsen's Text-bk. Org. Chem. 486 Methoxy-pyridine and methyl-pyridone, which result from these two forms by exchange of H..for CH₃, are known.1893Jrnl. Chem. Soc. LXIII. 229 Inactive methoxy⁓succinic acid may be resolved into two active acids, of equal and opposite rotatory powers.b. As an independent word, usu. attrib. and sometimes joined by a hyphen to the second element: = methoxyl.1900Perkin & Kipping Org. Chem. (rev. ed.) xxxiii. 485 By far the greater number of alkaloids contain one or two, sometimes three or more, methoxy-groups.., united with a benzene nucleus.1946Jrnl. Pharmacol. & Exper. Therap. LXXXVIII. 413 Substitution of chlorine by a..methoxy, butoxy or amyloxy group yields ineffective compounds.1969Times 10 Feb. 10/8 Dr. Shulgin..prepared many derivatives of mescalin, differing from the parent compound in their pattern of methoxy substitution on the phenyl ring.1971Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 2) C. 154 The following contractions for oxygen-containing radical names are recommended... Methoxy CH₃{b1}O{b1}. methoxy- /mɪˈθɒksi/ combining form. Also as attrib. adjective methoxy. ORIGIN: from meth- + oxy-. Chemistry. Designating or containing a methoxyl group. DERIVATIVE methoxychlor noun a crystalline compound, (C₆H₄OCH₃)₂CHCCl₃, related to DDT and used as an insecticide, esp. for veterinary hygiene M20. methoxy- combining form Etymology: International Scientific Vocabulary, from methoxyl : containing methoxyl — in names of chemical compounds < methoxyacetophenone > methoxy- Prefix Alternative form of methoxy See also Category:English words prefixed with methoxy-
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methoxy-

Related Words

methoxy-

Prefix

See also