How are disubstituted cyclohexanes different from monosubstituted cyclohexanes with reference to the isomerism? Draw the two chair conformations for each of the following disubstituted cyclohexanes. Draw also the cis and trans isomers and indicate the more stable isomer.
i) cis-Bromo-1-methylcyclohexane
ii) trans-2-Butyl-1-isopropylcyclohexane
iii) cis-4-Ethyl-1-hydroxycyclohexane
Disubstituted cyclohexanes exhibit more complex isomerism compared to monosubstituted cyclohexanes due to the additional positions where substituents can be placed. The primary types of isomerism seen in disubstituted cyclohexanes are cis-trans isomerism and chair conformation stability. The cis isomer refers to both substituents being on the same side of the cyclohexane ring, whereas the trans isomer refers to _________ ________ ___ ________ ______.
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