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Methyl vs Desmethyl - What's the difference?

methyl | desmethyl |

As a noun methyl

is methyl.

As an adjective desmethyl is

(organic chemistry|in combination) used to name organic compounds from which a methyl group has been removed.

methyl

English

(wikipedia methyl)

Noun

(en noun)
  • (organic compound) The univalent hydrocarbon radical, CH3, formally derived from methane by the loss of a hydrogen atom; a compound or part of a compound formed by the attachment of such a radical.
  • * 1973 , Robert E. Cornish, Vitamin and Mineral Deficiencies , page 119,
    • You might point out in the theory of oxidation of oils, in development of rancidity in oils, that many methyls' accelerate this oxidation of oils. I do not want to burden you with a lecture on chemistry but there are some ' methyls like iron which has both a valence of two and of three. Another example is cobalt which has a valence of both two and three.
  • * 2003 , Russell Timkovich, 73: The Family of d-Type Hemes: Tetrapyrroles with Unusual Substituents'', Karl M. Kadish, Kevin M. Smith, Roger Guilard (editors), ''The Porphyrin Handbook , Volume 12: The Iron and Cobalt Pigments: Biosynthesis, Structure and Degradation, page 134,
    • The southern acetates must be decarboxylated to methyls .
  • * 2005 , Bruce A. Hathaway, Organic Chemistry the Easy Way , page 38,
    • The most stable form has the groups staggered and the methyls as far from each other as possible (DA[dihedral angle] = 180°).

    Derived terms

    * dimethyl * methyl alcohol * methyl blue * methyl group * methyl radical * methylate * methylotrophic * tetramethyl * trimethyl

    desmethyl

    English

    Adjective

    (-)
  • (organic chemistry, in combination) Used to name organic compounds from which a methyl group has been removed