The measured energy difference between ring-flip conformations of cis-1,3-dimethylcyclohexane is very large, 5.6 kcal/mol. Propose two different types of interactions that cause this larger difference in energy.
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Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…
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A: According to guidelines i can answer only first question
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Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…
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Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…
A: Group a is at axial position. Group b is at equatorial position. Group c is at axial position.
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Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…
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Q: CH3-Cl: 0.4 Kcal/mol Et-Cl: 0.7 Kcal/mol CH3-CH3: 0.8 Kcal/mol CH3-Et: 0.9 Kcal/mol Et-Et: 1.1…
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Q: The cyclohexane derivative shown exists primarily in the more stable of the two available chair…
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Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations.…
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The measured energy difference between ring-flip conformations of cis-1,3-dimethylcyclohexane is very large, 5.6 kcal/mol. Propose two different types of interactions that cause this larger difference in energy.
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- Calculate the difference in energy between the two conformation of trans_4_tert_butyl_1_methylcyclohexaneDraw the structural formula for at least one bromoalkene with the molecular formula C5H9Br that shows: Q.Chirality but not E,Z isomerismtrans-1,4-dimethylcyclohexane has two conformations with a difference in energy of 3.6 kcal/mol. What is the cause of this difference? Hint: this is twice the difference in methylcyclohexane!
- Consider 1-bromo-2-methylpropane and draw the following. (a) The staggered conformation(s) of lowest energy (b) The staggered conformation(s) of highest energyMake a model of each compound, draw it in its most symmetric conformation, and determine whether it is capable of showing optical activity. cis-1,3-dibromocyclohexanecalculate the difference in energy between the two conformations of trans-4-tert-butyl-1-methylcyclohexane?
- Create a 3D model of the most stable chair conformation of (1R,3S)-3-chlorocyclohexan-1-olDraw the structural formula for at least one bromoalkene with the molecular formula C5H9Br that shows: Q.)E,Z isomerism but not chiralityDraw the most and the least stable conformations of 2,3,4,5-tetramethylhexane as Newman projections and name the conformations.
- What is the energy difference between the staggered and eclipsed conformations of 2,2,-dimethylpropane if the eclipsing cost of Me and H is 6 kJ/mol?On a cyclohexane ring, an axial carboxyl group has a conformational energy of 5.9 kJ (1.4 kcal)/mol relative to an equatorial carboxyl group. Consider the equilibrium for the alternative chair conformations of trans-1,4-cyclohexanedicarboxylic acid. Draw the less stable chair conformation on the left of the equilibrium arrows and the more stable chair on the right. Calculate DG0 for the equilibrium as written and calculate the ratio of the more stable chair to the less stable chair at 25°C.Conformational studies on ethane-1,2-diol (HOCH2¬CH2OH) have shown the most stable conformation about the central C¬C bond to be the gauche conformation, which is 9.6 kJ/mol (2.3 kcal/mol) more stable than the anti conformation. Draw Newman projections of these conformers, and explain this curious result.