how to draw wedge dash structure and newan projection for C2-C3 and C5-C6 bond for (1R,2R,3R,5S)5-bromo-2-chloro-3-ethyl-5-methylcyclohexanol
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how to draw wedge dash structure for (1R,2R,3R,5S)5-bromo-2-chloro-3-ethyl-5-methylcyclohexanolhow to draw wedge dash structure for (1R,2R,3R,5S)5-bromo-2-chloro-3-ethyl-5-methylcyclohexanol
how to draw wedge dash structure and newman projection for C2-C3 bond for 3-bromo-2,2,3-trichloro-1-fluorobutane
2.Draw a Newman projection, a wedge-dash structure and a Fischer projection for all four stereoisomers of 2-bromo-3-chlorobutane. The wedge dash structure is given for part a – all you need to do is finish the Newman projection and the Fischer projection. a.2R, 3R. On each structure show how you determined where each group goes. (part a only) b.2S,3S c.2S, 3R d.2R, 3S CH3 Brci CH CH3
11. Draw a dash-wedge structure for the following? (1 pt each) (a) (1R)-1-bromo-1,3,3trimethylcyclohexane (b) (2S, 4S)- 2-bromo-4-methylhexane 12. Draw fisher projection formula of (2S, 3R, 4S)- 2,4-dichloro-3-methylhexane? (1 pt)
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
Give the structures using both the dash-and-wedge (3D or perspective) formula and Fischer projections for each of the following compounds. a) (3S,4R)-3-bromo-4-methylhexane b) (2R,3R,4S,5S)-2,4-dibromo-5-chloro-3-methylhexane
1. a. (4 points) Draw the dash-wedge structure of (2R,3S)-2,3-dichloropentane. b. (4 points) Draw the Fischer projection of enantiomer of the compound drawn in part a. Name the enantiomers. c. (6 points) Draw the Newman projections (looking down the C2-C3 bonds) of the diastereomers of the compound drawn in part b. Name the diastereomers.
(a) Draw the saw-horse (or wedge-dash) projection of (2S,3R)-3-methylpentan-2-ol. [Marks: 1] (b) Draw the Newman projections of the 2-3 bond in (2S,3R)-3-methylpentan-2-ol. [Marks: 2] (c) Based on the Newman projections from part b. - draw a rotation vs. energy diagram (you do NOT need to give specific energy values in this diagram) that will allow you to identify the most stable confirmation around the 2-3 bond. Assume the greatest steric and torsional strain occurs when the hydroxyl and ethyl groups...
Draw the structures for the following compounds. a) (3Z,5S)-4-bromo-5-chloro-2-methylhexa-1,3-diene b) (5S,7S)-5-(bromomethyl)-7-chloro-oct-2-yne c) (1S,5S,6S)-6-bromo-5-[(1R)-1-chloroethyl]cyclohex-3-enol d) 2-bromo-4-[(1R)-1-hydroxyethyl]benzoic acid e) (3S,4S,5S)-5-amino-3-hydroxy-4-methylhexanal f) (Z,2R,4R)-6-bromo-4-chloro-N-ethyl-N-methylhept-5-en-2-amine g) [(1S)-1-chloroethyl] (Z,3R)-5-chloro-3-methoxyhex-4-enoate h) (Z,3R)-3-bromo-4-chloro-7-methyloct-4-enoic acid i) (3S)-6-bromo-N-ethyl-N,3-dimethylhex-4-ynamide j) (Z,3R,4S)-6-bromo-3-[(1S)-1-chloroethyl]-4-hydroxyhept-5-en-2-one
1. a. (4 points) Draw the dash-wedge structure of (2R,3.5)-2,3-dichloropentane. b. (4 points) Draw the Fischer projection of enantionmer of the compound drawn in part a. Name the enantiomers c. (6 points) Draw the Newman projections (looking down the C2-C3 bonds) of the diastereomers of the compound drawn in part b. Name the diastercomers 2. (6 points) Draw the mechanisms of the propagation steps of the reaction shown, focusing on the formation of the major product(s). NBS