单词 | methyl group |
释义 | BETA Examples ofmethyl groupDictionary> Examples ofmethyl group methyl groupisn’t in the Cambridge Dictionary yet. You can help! Add a definition The clinching evidence can with studies of the hydrogen-deuterium isotope effect on substrates fluorinated on themethylgroupand deuterated on the aldehyde. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its structure consists of a benzene ring "para" -substituted with amethylgroupand an isopropyl group. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In-methylcyclophanes in particular have amethylgroupin proximity to a benzene ring. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is believed to be due to steric strain resulting from themethylgroupand the carboxylic group in the "cis" -dienoid structure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It features a tricyclic skeleton, a geminal dimethyl group, a tertiarymethylgroup, and an exocyclic methylene group. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When a hydrogen atom is abstracted from themethylgroup, the cyclopropane ring of the radical produced opens up in a fast and irreversible step. From theCambridge English Corpus The radical clocks have cyclopropane rings with amethylgroup. From theCambridge English Corpus This discrimination is remarkable given that the two ligands differ only by the presence of one extramethylgroupon caffeine. From theCambridge English Corpus First of all, themethylgroupis found to be inverted at carbon. From theCambridge English Corpus Its instability is caused by the oxidizing power of the hypochlorite group, which can easily undergo a redox reaction with themethylgroup. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Lower binding in the other substituted amides was explained by steric hindrance or lack of amethylgroupresulting in loss of hydrophobic interaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Only when the cyclohexane ring is properly substituted will the proton add in a trans position with respect to the adjacentmethylgroup. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, the addition of the alphamethylgroupallows the compound to avoid metabolism and confer an effect. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Themethylgroupon the alpha carbon (the first carbon before the nitrogen group) also makes this compound a member of the amphetamine family. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For a non-isotopic labeling method the smallest perturbation to the system will be by addition of amethylgroupat an unreactive position. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is related to the more common flavorant maltol by replacement of themethylgroupby an ethyl group. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The amphetamine molecule consists of a phenethylamine core with amethylgroupattached to the alpha carbon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is of similar structure to the isomeric 2-methylpentane, which has themethylgrouplocated on the second carbon of the pentane chain. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is chemically similar to nicotine, but does not contain amethylgroup. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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