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Conformation: Trans-1,2 Disubstitution, Energy of the two Chair Cyclohexanes
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Summary:
Trans 1,2-Disubstitution has either one gauche interaction and no 1,3 diaxial interactions, where both substituents are equitorial. Alternatively, with the other ring conformation, where both substituents are axial, there is overall higher energy due to there being no gauche interactions but four 1,3-diaxial interactions. Thus the diequitoral chair conformation is more abundant.
Key Words:
Trans, Trans 1,2-Disubstitution, Axial, Equitorial, Gauche Interaction, 1,3-Diaxial Interaction
Trans 1,2-Disubstitution has either one gauche interaction and no 1,3 diaxial interactions, where both substituents are equitorial. Alternatively, with the other ring conformation, where both substituents are axial, there is overall higher energy due to there being no gauche interactions but four 1,3-diaxial interactions. Thus the diequitoral chair conformation is more abundant.
Key Words:
Trans, Trans 1,2-Disubstitution, Axial, Equitorial, Gauche Interaction, 1,3-Diaxial Interaction
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