positional isomerism

Japanese: positional isomerism(英語表記)positionalisomerism
positional isomerism

...The table shows the relationship between the number of carbon atoms in an alkane and the number of possible isomers. In positional isomerism, the position at which the substituents are attached differs. Well-known examples are the two isomers of propyl alcohol based on the position of the -OH group and the three isomers of xylene based on the position of the -CH3 group. ...

*Some of the terminology explanations that mention "positional isomerism" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…表にアルカンの炭素数と可能な異性体数との関係を示す。位置異性positional isomerismでは,置換基の結合する位置が異なる。プロピルアルコールの-OH基の位置による二つの異性体,キシレンの-CH3基の位置による三つの異性体がよく知られた例である。…

※「positional isomerism」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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