Which of the following is the correct wedge and dash structure for the following Newman projection? (Me = methyl = CH3, Et =ethyl = - CH₂CH3) Ο Ο Ο Ο Ο 1 || ||| IV V H Me Me Et .Me H II IV
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- compound CH3 CH₂0 CH3 — OH C- CH3 1 CH3-N - CH3 CH₂ ||| -C-H 01C- | NH₂ CH3 family esterStarting from the structure below (sighting down the indicated bond). rotate the back carbon to provide an eclipsed conformer of the structure. Ph H H HI!!! ++||||4 CH₂CH3 I I I I I I H Draw Newman Projection I I IDraw a dash-wedge structure for (1R)-1-bromo-1,3,3-trimethylcyclohexane.
- Which of the following is a Newman projection for the following compound as viewed down the indicated bond in the conformation shown? H. CH3 01 O II O III OIV Et CH3 1 Et H I CH3 13X Et CH3 -H || CH3 Et H CH3 Et Et ||| CH3 H H H CH3 Ø CH3 H CH3 IVGive IUPAC name for H3C-HC- C-CH3 | || CH3 OWhich of the following is the correct Newman projection for the following compound as viewed down the indicated bond in the conformation shown?" Br H CI 00000 ==>> CH₂ Br 11 H. CH₂ Br ||| CH₂ H IV CH₂ Br CH₂
- Which of the following is a wedge and dash structure for the following Newman projection? 01 OII O III ON CH3 i || CH3 H Et H rrr? IVQuestion 11 of 22 > O Macmillan Learning Translate the given conformer from the wedge-and-dash drawing into its Newman projection. You might find it helpful to make a model, then manipulate it to the desired viewpoint. H3C H C... Br "|||H CH3 Which Newman structure matches the conformer? CH3 H B H CH3 H $ Br H -CH3 Br -CH3 CI O H CI CI H H CH3 -I Br CH3 Br -CH3 CH3Sight along the C2-C1 bond of 2-methylpropane (isobutane).(a) Draw a Newman projection of the most stable conformation.(b) Draw a Newman projection of the least stable conformation.(c) Make a graph of energy versus angle of rotation around the C2-C1 bond.(d) Assign relative values to the maxima and minima in your graph, given that an H↔H eclipsing interaction costs 4.0 kJ/mol and an H↔CH3 eclipsing interaction costs 6.0 kJ/mol.
- 6. Newman projections to Lewis structures From the following Newman projections, draw the corresponding Lewis structure in the same conformation. A) B) H. H CH3 H₂C N H OH CI Br CH3 H OH CH3Which Newman projection, looking down the C-3-C-4 bond (C-3 in front and C-4 in back), illustrate(s) the following compound? H₂CH O II and III OI O None of these Oll ON O III + 14.C ** CHACH, CHUCHCH BC. CH₂CHICH HAI CH 11 CHUCHCH CH,CH, CH₂ IV CHICHICH,Draw the skeletal structure of a neutral acyclic molecule with one tetrahedral stereocenter. You may use only 8 carbon atoms and 1 halogen atom, plus as many hydrogen atoms as you like. Click and drag to start drawing a structure. S Shm C