-4-ethyl-5- 4- Determine the relative ranking of between conformers A and B of f

Question

-4-ethyl-5- 4- Determine the relative ranking of between conformers A and B of formers for 1-butyl-2- methyleyelohexane, briefly explain. In addition, determine total number of -4-ethyl-5- Finally, Draw the the of instability conformers stable, 7-levels of methylcyclohexane that are, third stahle, from of the most stable, and 6-levels of stability from the least stable I-butyl your paper. Note, only a total of four structures should be written on Ranking Stability between A &B; Answer Total w of conformers: Structure of 3 7 Levels of stability from the most unstable 7 Levels of instability from the most unstable 6 Levels stability from the "least unstable: to receive full Show all derivations or how you were able to determine the answer for each question in order credit.

Explanation / Answer

Answer:

1. the coformer isomers given A & B, structure B is more stable due to the following reasons:

a) steric hinderence & repulsion between the bulky groups attached to the cyclohexane, i.e butyl & propyl group present at position 1 and 2 respectively, is less in B.

b) The configuration of structure B is free from torsional stress.

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