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  2. Propyl group - Wikipedia

    en.wikipedia.org/wiki/Propyl_group

    From left to right: the two isomeric groups propyl and 1-methylethyl (iPr or isopropyl), and the non-isomeric cyclopropyl group. In organic chemistry, a propyl group is a three-carbon alkyl substituent with chemical formula −CH 2 CH 2 CH 3 for the linear form.

  3. Isomer - Wikipedia

    en.wikipedia.org/wiki/Isomer

    Isomeric relationships form a hierarchy. Two chemicals might be the same constitutional isomer, but upon deeper analysis be stereoisomers of each other. Two molecules that are the same stereoisomer as each other might be in different conformational forms or be different isotopologues. The depth of analysis depends on the field of study or the ...

  4. Amyl alcohol - Wikipedia

    en.wikipedia.org/wiki/Amyl_alcohol

    Amyl alcohols are alcohols with the formula C 5 H 11 OH. [1] Eight are known. A mixture of amyl alcohols (also called amyl alcohol) can be obtained from fusel alcohol.Amyl alcohol is used as a solvent and in esterification, by which is produced amyl acetate and other products.

  5. Metamerism (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Metamerism_(Chemistry)

    In chemistry, metamerism is used to define the isomeric relationship between compounds with the same polyvalent, heteroatomic, functional group but differ in the main carbon chain or any of the side chains. It has rather been an obsolete term for isomerism, which has not been recognised by IUPAC in its publications. [1]

  6. Propenyl - Wikipedia

    en.wikipedia.org/wiki/Propenyl

    These groups are found in many compounds. Propenyl compounds are isomeric with allyl compounds, which have the formula CH 2-CH=CH 2. The three common precursors to lignin are derivatives of propenylbenzene: paracoumaryl alcohol (1), coniferyl alcohol (2) and sinapyl alcohol (3).

  7. Catechol - Wikipedia

    en.wikipedia.org/wiki/Catechol

    Catechol (/ ˈ k æ t ɪ tʃ ɒ l / or / ˈ k æ t ɪ k ɒ l /), also known as pyrocatechol or 1,2-dihydroxybenzene, is an organic compound with the molecular formula C 6 H 4 (OH) 2.It is the ortho isomer of the three isomeric benzenediols.

  8. Tolyl group - Wikipedia

    en.wikipedia.org/wiki/Tolyl_group

    Structures of the three isomers of tolyl group. In organic chemistry, tolyl groups are functional groups related to toluene. [1] They have the general formula CH 3 C 6 H 4 −R, the change of the relative position of the methyl and the R substituent on the aromatic ring can generate three possible structural isomers 1,2 (ortho), 1,3 (meta), and 1,4 (para).

  9. n-Propylbenzene - Wikipedia

    en.wikipedia.org/wiki/N-Propylbenzene

    The molecule consists of a propyl group attached to a phenyl ring. It is a colorless liquid. A more common structural isomer of this compound is cumene. n-Propylbenzene is used as a nonpolar organic solvent in various industries, including printing and the dyeing of textiles and in the manufacture of methylstyrene.