1. Use the following structure to draw Newman Projections (each subsequent projection with the back carbon...
In-Class Worksheet In the box below each molecule, draw Newman projections for the structures A, B, and C shown from the perspective indicated. For each Newman projection that you've drawn, indicate if there are any eclipsed bonds or 1. gauche butane interactions. H H CH3 H3C CH3 CH3 H. H3C CH3 H CH3 H H Structure C Structure B Structure A Structure A can exist in a lower energy conformation by undergoing a bond rotation; draw the Newman projection of...
2. Look at the moleculebelow. Together in your group, draw a Newman projection in the highest possible energy this molecule can exist. Look directly at carbon 1, and have carbon 2 in the back. CH3 Br CH3
(1 pt) Convert the following dash/wedge structure into Newman projection (use the eye for direction viewed). Br CH3 H2N (2 pts) Convert each of the following Newman projections into dash/wedge structures. CH2CHs CH2OH cl CH20H CH3 CH3
uestion 13 Newman Projections: Use the structure shown to complete the questions below. What is the relationship to the structure in the box above? What is the relationship to the structure in the box above? HO, What is the relationship to the structure in the box above? Same molecule A (highest energy conformation) Not the same molecule Same molecule C. (lowest energy conformation)
3. (6 points) For each compound below, draw a Newman projection of the lowest energy conformation. Sight down the indicated bond. The front carbon has been drawn for you. Be careful to preserve stereochemistiy. H. I- - - - - - - Hinn H2C CH(CH3)2 H2CH3 CH2CH2CH3
2.16. Using a Newman projection, draw a staggered and eclipsed 2.17. For alkanes containing four or more carbons, use the Newman projection to draw 2.18. Describe what contributes to the changes in the potential energy of an alkane as you on of an alkane. (Section 4.7) the gauche and anti conformations. (Section 4.8) rotate around a carbon-carbon bond. (Section 4.7 & 4.8) energy conformations. (Section 4.7 &4.8) carbon bond. (Section 4.7 & 4.8) 2.19. Use a sawhorse projection or Newman...
CORRECTIONS Name: The Newman Projections below all represent 2.3.3-trimethylhexane. Use them to answer the following four questions. НАН v v VI 20. Which Newman Projection represents the most stable conformation of 2,3,3-trimethylhexane looking down the 3-4 C-C bond? a b. c. VIII I VII d. e. III IV 21. Of the options below, which represents the "gauche" conformation of 2,3,3-trimethylhexane down the 2-3 C-C bond? a. II C. VI b. V d. I 22. Which answer choice correctly orders the...
The Newman Projections below all represent 2.3.3-trimethylhexane. Use them to answer the following four questions. Η H2 V VI VII VIII 20. Which Newman Projection represents the most stable conformation of 2,3,3-trimethylhexane looking down the 3-4 C-C bond? a. b. c. VIII I VII d. e. III IV 21. Of the options below, which represents the "gauche" conformation of 2,3,3-trimethylhexane down the 2-3 C-C bond? a. II c. VỊ b. V d. I 22. Which answer choice correctly orders the...
The Newman Projections below all represent 2,3,3-trimethylhexane. Use them to answer the following four questions HTH H HT H VI VII VIII 20. Which Newman Projection represents the most stable conformation of 23,3-trimethylhexane looking down the 3-4 C-C bond? a VIII d. III b. I e. IV c. VII 21. Of the options below, which represents the “gauche” conformation of 2,3,3-trimethylhexane down the 2-3 C-C bond? a. II 6. b. V d. I 22. Which answer choice correctly orders the...
1. Draw the dash-wedge structure that corresponds to the following Newman proje OH Htci CH CH3 4 Label each stereocenter in the following molecule with an asterisk (*) and identity it as na configuration. molecule with an asterisk (*) and identify it as having an R or an S NH2 3. Draw the most stable chair conformation for the following molecule. 4. Draw 3-ethoxypentane. 5. Assign the priority of the substituents around the asymmetric carbon. Br H I BY BE