1.Convert each Newman projection to the equivalent line-angle formula, and assigned the IUPAC name. (a) (b) (c) 2. Draw the two chair conformations of each compound and label the substituents as axial and equatorial. In each case, determine which conformation is more stable. (a) cis-1-ethyl-2-isopropylcyclohexane (b) trans-1-ethyl-2-isopropylcyclohexane (c) cis-1-ethyl-3-methylcyclohexane (d) trans-1-ethyl-3-methylcyclohexane (e) cis-1-ethyl-4-methylcyclohexane (f) trans-1-ethyl-4-methylcyclohexane
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Convert each Newman projection to the equivalent line-angle formula, and assign the IUPAC name. (a) Since no Newman projection is provided, I cannot provide the line-angle formula or IUPAC name for this compound. (b) Same as (a), no Newman projection is Show more…
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Draw the structure corresponding to each IUPAC name. a. 3-ethyl-2-methylhexane b. $sec$-butylcyclopentane c. 4-isopropyl-2,4,5-trimethylheptane d. cyclobutylcycloheptane e. 3-ethyl-1 , 1-dimethylcyclohexane f. 4-butyl-1, 1-diethylcyclooctane g. 6-isopropyl-2,3-dimethylnonane h. 2,2,6,6, 7-pentamethyloctane i. $cis$-1-ethyl-3-methylcyclopentane j. $trans$-1-tert-butyl-4-ethylcyclohexane
Draw the line-angle formula and write the IUPAC name for each of the following: (14.1) a. A carboxylic acid that has the formula $\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{2},$ with no substituents b. A carboxylic acid that has the formula $\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{2},$ with one ethyl substituent
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a. Draw the more stable chair conformer of cis -1-ethyl- 2 -methylcyclohexane. b. Draw the more stable conformer of trans-1-ethyl-2-methylcyclohexane. c. Which is more stable, cis-1-ethyl-2-methylcyclohexane or trans-1-ethyl-2-methylcyclohexane? If the two substituents of a 1,2 -disubstituted cyclohexane are to be on the same side of the ring, one must be in an equatorial position and the other must be in an axial position. The more stable chair conformer is the one in which the larger of the two substituents (the ethyl group) is in the equatorial position.
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