Transcription of MONOSUBSTITUTED CYCLOHEXANES. …
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MONOSUBSTITUTED ANALYSIS277 Keq= ![[CT]]!= 10_DG , [T]= ( 10_3)[C]. Thus, in one mole of cyclohexane , we have1= [C]+ [T]= [C]+ ( X10_3)[C]= [C]Solving for [C], [C]= , by difference,[T]= [C]= , cyclohexane contains chair form and twist-boat form at 25 ANALYSISA substituent group in a substituted cyclohexane , such as the methyl group in methyl cyclo-hexane, can be in either an equatorial or an axial two compounds are not identical, yet they have the same connectivity, so they arestereoisomers. Because they are not enantiomers, they must be diastereomers. Like cyclohexaneitself, substituted cyclohexanes such as methylcyclohexane also undergo the chair interconver-sion.
7.3 MONOSUBSTITUTED CYCLOHEXANES.CONFORMATIONAL ANALYSIS 279 As Fig. 7.8 shows, the energy (enthalpy) difference between axial and equatorial conforma-
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