環かん反はん転てん

noun

ring inversion; ring flip

In chemistry, the conformational change where a cyclic molecule flips from one chair form to another, interchanging axial and equatorial substituents.

• シクロヘキサンの環かん反はん転てんは室しつ温おんで非ひ常じょうに速はやい。

  The ring inversion of cyclohexane is very fast at room temperature.