1. Draw the dash-wedge structure that corresponds to the following Newman proje OH Htci CH CH3...
7. Draw a wedge and dash structure of the following Newman projection GHz ви HBr CH3 t Br 8. Which of the following is a gauche conformation for butane? Which is the least stable conformation? The most stable? What is the dihedral angle for conformation ? нсна н CH... HOC CH3 сна нен нан, нен нен н" нэн IV 9. What is the IUPAC name of the following compound?
Need help with these Orgo Chem problems. mostly with the naming part. thank you Draw the most stable chair conformation of cis-1,2-dimethylcyclohexane 1) Draw the ring flip of the structure in question #1 2) Draw all contributing resonance structures for the following molecules. Make sure to show all arrows showing 3) movement of electrons. :c: Name the following molecules 4) 5) Assign R/S configuration to the molecule, 2-bromobutane, shown Br H H H HyC CH3 2-bromobutane Which of the following...
2. Draw a wedge and dash structure of the following Newman projection. OCX , ITI Ž Draw a wedge and dash structure of the following Newman projection. CH3 HTCH3 CH3 H Ėt
(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
3. (a) A bond-line (dash/wedge) structure for butane is shown below. Using the Newman projection templates provided, draw the overall lowest energy (most stable) and overall highest energy (least stable) conformation possible in Newman projection form sighting down the bond indicated. Provide a brie explanation to justify the conformer shown for cach case. (2pts each correct Newman, 2pts for valid explanation) sight down CG- bond Lowest Energy (most stable) Highest Energy (least stable) Explain: (b) For the bond-line structure below...
3. 1) Draw the Newman projection of the following compound, looking down the indicated bond. (2) Label this Newman projections as a staggered or eclijpsed conformation. (3) Rotate this Newman projection to draw the Newman projection of the most stable conformation of this compound. (3) Label this Newman projections as a staggered or eclipsed conformation. (4) Re-draw this most stable conformation in a wedge-dash form as the original compound below is shown). a. он в н b. Cl 3. 1)...
1. In the structure of the antibiotic Aztreonam illustrated below, how many nitrogen atoms have a sp2 hybridization state? 2. What is the number of oxygen atoms on which the negative charge will resonate by following relevant resonance structures? (0,1,2,3,4 or 5) 3. Identify the stereochemistry of each of these double bonds marked 1 and 2 in the structure below ((E) or (Z)) 4. What is the absolute configuration of the following molecule? (R/S) 5. Determine the relationship between these...
**WRITTEN WORK** Draw the Newman projection that corresponds to the following species. Н. CH3 Сін H Br SH
4. Draw the most stable and most unstable Newman Projection for the following molecules using the rotation around the C3-C4 bond (use the IUPAC rules to number the chain) 5. Draw the two chair conformations for each of the following cyclohexane derivatives and then choose the conformation that is the most stable. Br BA 3 3 3 $ 2879 So ya 6. For the following compounds, identify the chiral carbons with an asterisk (*) and for those that are not...
draw the Newman projections. questions 1,2 and 3 1. (1 pts) 1 pts) Draw the Newman projection for the following species, looking down the between (i) ethyl and carboxylic acid group and (ii) OH and carboxylic acid group as the answer). in the bond indicated. Idell as anti, eclipsed or gauche соон OH (1) anti, eclipsed or gauche COOH WH HN (ii) anti, eclipsed or gauche 2. (1 pt.) Which conformation in question 1 is more stable (a) or (b)?...