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draw the minor product
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- Fill in the blanks: cis-1,3-Dimethylcyclohexane has two different chair conformations: one withboth methyl groups in __________ positions and one with both methyl groups in ____________ positions.a model of cyclohexane in a chair conformation, and explain why the names “axial” and“equatorial’ are appropriate.Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This group is called an ethyl group and can be considered a sphere about twice the sizeof a methyl group. Draw the following Newman projections sighting down the C1C2 bond... a. The lowest potential energy conformation. b. The highest potential energy staggered conformation.
- Draw the most stable conformation of(a) trans-1-tert-butyl-2-methylcyclohexane.Draw the most stable conformation of (a) cis-1-tert-butyl-3-ethylcyclohexane.1E.) Which of the following two conformers is lower in energy? Both conformers are of equal enery O A Conformer A is lower in energy. B Conformer B is lower in energy. It cannot be determined
- Draw the highest and lowest energy conformations. In cases where two or three conformations are degenerate, choose only one as your anwser. Use Pr, Me, H, Et in the structures.(A)Menthol, used to flavor various foods and tobacco, is the most stable stereoisomer of 2-isopropyl-5-methylcyclohexanol. Draw its most stable conformation. Is the hydroxyl group cis or trans to the isopropyl group? To the methyl group? (b) Neomenthol is a stereoisomer of menthol. That is, it has the same constitution but differs in the arrangement of its atoms in space. Neomenthol is the second most stable stereoisomer of 2-isopropyl-5methylcyclohexanol; it is less stable than menthol but more stable than any other stereoisomer. Write the structure of neomenthol in its most stable conformation.Why is this chair conformation the most stable trans-1-chloro-3-flurocyclohexane? Wouldn't the conformation with Cl & F in equatorial positions be the most stable conformation?
- 1.Draw both cis- and trans-1,4-dimethylcyclohexane in their conformations. (a) How many stereoisomérs are there of cis-1,4-dimethylcyclohexane, and how many of rans-1,4-dimethylcyclohexane? (b) Are of the structures chiral? (c) What are the stereochemicar relationships among the various stereoisomers of 1,4-dimethylcyclohexane?a HỘ CH2OH H H CÓH In its most stable chair conformation, indicate the orientation of each of the labeled groups in this substituted cyclohexane. Group a: Group b: Group c:Consider 1-bromopropane, CH3CH2CH2Br. (a) Draw a Newman projection for the conformation in which CH3 and -Br are anti (dihedral angle 180°). (b) Draw Newman projections for the conformations in which - CH3 and -Br are gauche (dihedral angles 60° and 300°). (c) Which of these is the lowest energy conformation? (d) Which of these conformations, if any, are related by reflection?