Question

1. Draw the structures of: a) (Z) 2-iodo-3-methyl-2-heptene b) cis non-3-en-5 yne Give the IUPAC name of the following compounds, including steochemistry. a) F CH2CH2Br CH3CE 2. a) Draw the most stable chair conformation of cis 1,3-difluorocyclohexane. b) Draw a Newman projection of 2-iodo-3-methylpentane looking down the 3. Compound X has the formula CoHB2Br4. Compound X reacts with excess H2/Pd to give CATHa6Bra. How many does compound X have? Show how you got your answer. rings 4. For each pair state whether the two are a) the same molecule, b) different compounds that are not isomers, c) constitutional isomers, d diastereomers, or e) enantiomers. CH3 NH a) H Br Br H- Cl NH2 OH HS HO CH3 5. Write out the stepwise mechanism, including intermediates or transition state) for. TO NEED HAT YOU sudd Mart

Answer 1

1 a (Z)-2-iodo-3-methyl-2-heptene b) 6 7 cis-non-3-en-5-yne a) 1R,2S)-1,2-difluorocyclohexane b) 2 3 5 6 Br 4,6-dibromo-4-methylhex-2-yne 2. a) Equitorial Equitorial-F Both substituents equitorial hence most stable confirmation cis-1,3-difluorocyclohexane CH b) CH3 2-iodo-3-methylpentane ČH2CH3 Newman projection