英语词汇“methyl-codeia”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

a. spec. prefixed to the name of a parent compound to indicate substitution of a methyl group for a hydrogen atom or other substituent, as methylacetophenone, methyl-codeia, etc.

ΚΠ

1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) viii. 240 Methylaniline, where the second atom is replaced by methyle instead of ethyle.

1866 W. Odling Lect. Animal Chem. 45 Leave the urea and methylamine residues combined with one another in the form of methyl-uramine or methyl-guanidine.

1868 Rep. Brit. Assoc., Sections 38 Iodide of methylacetonamine.

1874 A. B. Garrod & E. B. Baxter Essentials Materia Medica (ed. 4) 201 The hypnotic effect of codeia is wholly destroyed by its conversion into methyl-codeia.

1885 I. Remsen Introd. Study Compounds of Carbon (1888) 357 Methyl-sulphonic acid..methyl-carbonic or acetic acid.

1934 C. C. Steele Introd. Plant Biochem. xxi. 237 The terpenes and camphors are derived from p-methyl-isopropyl-cyclohexane, C₁₀H₂₀, known as menthane.

1964 N. G. Clark Mod. Org. Chem. xxiii. 479 The ketones are frequently employed..as ingredients in perfumery. Some simple derivatives possess quite delightful odours, for example, p-methylacetophenone (hawthorn).

单词	methyl-codeia
释义	> as lemmas methyl-codeia a. spec. prefixed to the name of a parent compound to indicate substitution of a methyl group for a hydrogen atom or other substituent, as methylacetophenone, methyl-codeia, etc. ΚΠ 1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) viii. 240 Methylaniline, where the second atom is replaced by methyle instead of ethyle. 1866 W. Odling Lect. Animal Chem. 45 Leave the urea and methylamine residues combined with one another in the form of methyl-uramine or methyl-guanidine. 1868 Rep. Brit. Assoc., Sections 38 Iodide of methylacetonamine. 1874 A. B. Garrod & E. B. Baxter Essentials Materia Medica (ed. 4) 201 The hypnotic effect of codeia is wholly destroyed by its conversion into methyl-codeia. 1885 I. Remsen Introd. Study Compounds of Carbon (1888) 357 Methyl-sulphonic acid..methyl-carbonic or acetic acid. 1934 C. C. Steele Introd. Plant Biochem. xxi. 237 The terpenes and camphors are derived from p-methyl-isopropyl-cyclohexane, C₁₀H₂₀, known as menthane. 1964 N. G. Clark Mod. Org. Chem. xxiii. 479 The ketones are frequently employed..as ingredients in perfumery. Some simple derivatives possess quite delightful odours, for example, p-methylacetophenone (hawthorn). extracted from methyln. < as lemmas
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> as lemmas