Penn 241e2-06 ans

Penn 241e2-06 ans - CHEM 241-601 Exam II 145 pts 21...

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CHEM 241-601 Name_________________________ Exam II – 145 pts 21 November 2006 Signature____________________________ 1.(20) Give the names of the following compounds. Be sure address stereochemistry. a) b) c) CH 3 CH=CH 2 HC H 2 CH 3 l d) C C 2 Cl CH 2 CH 2 Br CH 3 CH 2 CH 2 BrCH 2 CH 2 trans 1,2-divinylcyclohexane trans 1,2-diethenylcyclohexane 3,4-diisopropyl-2,5-dimethyl-1,3(Z),5-hexatriene 3(S)-chloro-4(R)-methyl-1-hexene (E)1-bromo-4-(2-bromoethyl)-3-chloromethyl-3-heptene 2.(10) Draw the structure for one compound with all of the following characteristics: - has a molecular formula C 8 H 12 . - reacts with one equivalent of H 2 upon catalytic hydrogenation to give C 8 H 14 . - has two adjacent asymmetric centers, but is optically inactive. H H H H * * * * ** 3 examples - must have 2 rings and a double bond because when hydrogenated, it still has 2 deg. unsaturat
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3.(15) The alkene 2,2,5-trimethyl-3(E)-hexene undergoes an addition reaction with HCl to afford two major products: 2-chloro-2,5,5-trimethylhexane and 2-chloro-2,3,5- trimethylhexane. Using line-bond (zig-zag) structures, draw the reactant, and propose
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Penn 241e2-06 ans - CHEM 241-601 Exam II 145 pts 21...

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