corresponding to thẻ systelmalilC Thun projection that illustrates the highest energy conformation of n-propane along an C-C bond axis of the same. Again, place your answer in the space provided. Molecular formula Highest energy conformation of n-propane of n-propane
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- Deduce the energy difference betweetn the conformers of compound X by referring to the table below. (i) ÇII3 Compound X H,C H;C Support your answer hy drawing the conformer(s) involved, and show the calculations to obtain the energy difference. Energy cost by: He>CH3 eclipsed 1,3-diaxial (He>CH,) strain 1,3-diaxial (CH3>CH;) strain Energy (kJ mol) 6.0 3.8 15.4 (ii) Identify which of these conformers give the most and the least stable conformations.Is the following compound R or S. Support your claim by indicating the priority ofthe groups attached to the asymmetric carbon. H,CCH, *CH,OCH, CIWhich do you expect to be the more stable conformation of cis-1,3-dimethylcyclobutane, A or B? Why?
- Draw Newman Projections representing the two highest and two lowest energy conformers of (3S,4S)-4-tert-butyl-2,3-dimethyloctane as viewed along the C3-C4 bond. b.) Label each conformer with theappropriate description then analyze them and rank their energies and explain your reasoning by specifyingthe types of interactions. (Hint: Draw the first and then rotate only the front or back carbon)For each of the following disubstituted cyclohexanes, indicate whether the substituents in the two chair conformers will be both equatorial in one chair conformer and both axial in the other (A) or one equatorial and one axial in each of the chair conformers (B): Drag the appropriate items to their respective bins.For the 1,2-dichlorocyclohexane stereoisomers, which conformation of the trans stereoisomer has the lower energy, the diaxial or the diequatorial conformer? Which isomer and conformation of the three you built has the lowest energy? E of all the isomers of 1,2-dichlorocyclohexane. Explain the differences in energy, i.e., identify the sources of strain in the conformations you built. Show the sources of strain in a drawing.
- For 1,2-dichloroethane: ( Q.) Which eclipsed conformation(s) has (have) the lowest energy? Which has (have) the highest energy?Draw structural formulas for the alkode son and the alkylarybromide that may le ed in a Willmn yhei CH, CH-O-C CH, • You de mot have to consader stereochemistry • Do not inchude counter ions, eg. NaT, in your answer • Draw one structure per skrtcher. Add additional sketchees uing the drop-down menu in the hemo right com Separate structures with signs fipm the drop down menw.Draw the most stable chair conformation of each of the following compounds. (a)cis-1,1,4 - trimethylcyclohexane (B) trans-1,1,3-trimethylcyclohexane (c) cis-1-fluro-4-ethylcyclohexane Please Give Step by Step Answer Otherwise i give DISLIKES !!
- (b) Consider the following tetra-substituted cyclohexane: OH Draw the alternative chair conformations of the cyclohexane compound, shown above. List the unfavourable steric interactions for each chair conformation and determine the more stable conformation of the compound. i.[Referenca cis-2,5-dimethyl-1,3-dioxane The structure of cis-2,5-dimethyl-1,3-dioxane is shown above, without stereochemistry. In the most stable chair conformation, predict the orientation of the two methyl group both equat 1 axial and In the sketchpad, draw the structure of cis-2,5-dimethyl-1,3-dioxane. both axial • Draw your ring as a flat hexagon with wedge/dash bonds to indicate stereochemistry. If a group is achiral, do not use wedged or hashed bonds on it. • In cases where there is more than one answer, just draw one.(B) Draw two chair conformations of the following substituted cyclohexane and identify the most stable conformation. Clearly show the axial and equatorial bonds.