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4+-+Conformation - 3 Draw both possible chair conformations...

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Practice 4 Alkane Conformation 1) For the molecules below, provide a bond-line structure. (H 3 C) 2 H C C H 3 (H 3 C) 2 H C C H 2 CH 3 H 3 CH 2 C C H 2 OH (H 3 C) 2 H C C H 2 OH i) ii) iii) iv) 2) a) Draw chair cyclohexane 20 times. Cross out incorrect ones. b) Draw chair cyclohexane 20 more times and put in all the axial bonds on each. c) Draw chair cyclohexane 20 more times and put in all the equatorial bonds on each. d) Draw a 1,2,3-tribromocyclohexane where all bromines are in equatorial positions. e) Draw a 1,2,3-tribromocyclohexane where all bromines are in an axial positions.
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Unformatted text preview: 3) Draw both possible chair conformations for the indicated cyclohexane as sawhorse projections: a) trans-1-chloro-2-methylcyclohexane. e) trans-1-chloro-4-methylcyclohexane. b) cis-1-chloro-2-methylcyclohexane. f) cis-1-chloro-4-methylcyclohexane. c) trans-1-chloro-3-methylcyclohexane. g) Also draw a cyclohexane with 2 axial methyl groups; d) cis-1-chloro-3-methylcyclohexane. h) then a cyclohexane with 2 equatorial methyl groups....
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