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Most of the elements that give rise to stable heterocycles belong to group d. Is this correct?
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- Draw all the possible conformations of trans- and cis-1,3-dimethylcyclobutane. Which of these conformations is the most stable conformation? Explain your answer. Discuss the type of strain(s) that affect the stability of these compounds.It is easy to imagine a cyclohexane as a flat hexagon and a lot of the time we draw it that way. Looking at 1,3,5-triethylcyclohexane we cannot tell the stability of the molecule from looking at the flat 2D drawing. Explain why we need to look at the 3D configuration and what conformation (axial,equatorial) would each of the three ethyl groups be in for the most stable configuration.Hello, I was reading an answer from the book Organic Chemistry by Brown et al. The question is 2.51 "Draw alternative chair conformations for each substituted cyclohexane and state which chair is more stable." There are then 4 cyclohexanes (labeled a-d). For the "a" cyclohexane, the substituents are arranged as a combination of axial and equatorial in both chair conformations. However, for the "b," "c," and "d," cyclohexanes one chair has only equatorial substituents, and the other chair has only axial substituents. Why is the "a" chair conformation different? https://www.bartleby.com/solution-answer/chapter-2-problem-251p-organic-chemistry-8th-edition/9781305580350/draw-alternative-chair-conformations-for-each-substituted-cyclohexane-and-state-which-chair-is-more/4532cd91-c341-11e9-8385-02ee952b546e
- 4 PART QUESTION. PART 1: The last unique stereoisomer is? PART 2: Which of these structures are enantiomers? PART 3: Which of these structures are diastereomers? PART 4:Compare the following conformers of 1-fluoropropan-1-ol. Match each conformer to their corresponding relative energy. Recall, the more stable the conformer the lower the energy. OH CH3 'F 2. HOH 2nd Highest Energy H 2nd Lowest Energy H3C 3. H. ОН Lowest Energy H 'F Highest Energy ČH3 4. H3C, OH 'F 1. >13 Draw the molecule trans-1-ethyl-3- isopropylcyclohexane conformation. Which is the overall most-stable conformer? Justify your answer. in its chair and its flipped chair
- In the drawing areas below, draw the two conformations of trans-1-bromo-4-fluorocyclohexane that are typically the most stable. Be sure your drawings make it possible to distinguish between the conformations. After you've drawn the conformations, answer the question below the drawing areas. X chair flip Click and drag to start drawing a structure. Of the two conformations you drew above, which is the more stable? ○ left O right O they are equally stable cannot decide without more information 'o X Click and drag to start drawing a structure. X ☐ : G &The energy difference between a tert-butyl group going from equatorial to axial in a cyclohexane is 18.3 kJ/mol. When two of the carbon atoms are replaced with oxygen atoms (molecule B) the energy difference between the two chair conformations drops to 5.9 kJ/mol. Explain this difference. (Hint: Consider what makes putting groups axial unfavorable).Draw the structures of the 3 isomers of C8H18 that contain 3 methyl branches on the main chain, 2 of which are on the same carbon.
- Draw the line bond structures for the following alkenes, cyclic alkenes, and alkynes: Can you explain to me about this part A) noncyclic alkenes that contain 4 carbon atoms (3 possible), please? Can you explain to me about this part B) cyclic alkenes that contain 4 carbon atoms (4 possible), please? Can you explain to me about this part C) alkynes that contain 4 carbon atoms (2 possible, neither of them is a cyclic alkyne), please?Draw the most stable AND most unstable conformations of the following molecules. Briefly explain your answer. Note, for linear structures looking at rotation around the bond depicted in red. HO OH HN BrConsider pentane, C5H12. Looking through the internal C3-C4single bond, draw thesix Newman projections (where the angle between two bonds as you look through the C3and C4bond is either 0°or 60°of the different conformations. Label the conformers/rotamers using I, II, etc. a.Which conformer is the most stable? the least stable? b.Which rotamer is the anticonformer? the gaucheconformer? c.Draw the anticonformer in saw horse projection.
