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Unformatted text preview: both configurational and stereoisomeric (cis/trans). Be careful not to draw the same structure twice!!!!! 3) Consider the following structure. . NH 2 HO H H a) Clearly draw the compound shown in its most stable form (chair conformer). Clearly label the hydroxyl and amino groups as axial or equatorial. b) How many primary sp 3 carbons are present? c) How many secondary sp 3 carbons are present? d) How many tertiary sp 3 carbons are present? e) How many quaternary sp 3 carbons are present? (The terms primary, secondary, were not discussed in class, but are discussed in the textbook. You should add these descriptors to your organic vocabulary) 4) a) Provide IUPAC names for the following three structures b) Convert these IUPAC names to clear skeletal structures. 2-ethyl-1,1,4,4-tetramethylcyclohexane 4-ethyl-2,6-dimethylheptane 5) Draw both chair conformations for the cyclohexane structure shown, and clearly circle the most stable one. Cl...
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- Fall '09