6. Show how each compound can be prepared. 1) 3-pentanol from an alkene 3) Bromoethane from ethylene 2) but anal from butane 4) 4-Octanol from acetylene 5)(E)-1-bromo-2-octene from 1-octene 6) 3-Bromocyclohexene (racem from cyclohexene

4) Which of the following alkene is the most stable? A) B) D)

Based on the hydrogenation reaction information, how many different alkene structures can you draw that could be Compound X? (If enantiomers are possible, count each pair of enantiomers as one structure.)

a) Draw the major product(s) of the following reactions. i) ii) OSO4 NaHSO4, H₂O BH3-THF H₂O₂, NaOH b) Methylcyclohexene reacts with chlorine both in CCl4 and water. i) Draw the structural formula for both the products. > ( )

Review Topics] [References] Draw a structural formula for the major product of the reaction shown. CH;CH2 c=CHCH3 CH;CH2 Br2 H20 • Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring. • Do not show stereochemistry in other cases. • If the reaction produces a racemic mixture, just draw one stereoisomer. Previous Next ChemDoodle Save and Ex tv ill I 11 МacBook Air DII DD F12 F11 F10 80 888 F9 F7 FB F6 F5 F4 F3 * & $ %3D 5 6. 7 8 9. 4 { P E R T Y H J K F + * CO

Draw the alkene that would react with the reagent given to account for the product formed. ? + HCI CH3 CH3CCH3 CI • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. #[ ] در ChemDoodle

Which of the products is correct for this reaction listed? Z-alkene, E-alkene, both, none?

TReview TOpics] [References Draw a structural formula for the major product of the reaction shown. CH3 CH3CHCH=CH2 Show product steréochemistry IF the reactant alkene has both carbons of the double bond within a • Do not show stereochemistry in other cases. If the reaction produces a racemic mixture, just draw one stereoisomer. C P opy aste C.

7. Determine the major product of the reaction. CH3 CH3-CH=ċ-CH, + HBr a) CH3 b) CH3 CH,Br-CH=ċ-CH3 CH;-CH2-CH-CH3 CH3 CH3 c) CH;- CH -ČH– CH, d) CH3-CH,-Ċ-CH; Br Br

Draw the structure for an alkene that gives the following reaction product. CH3 HCI CH3CHCH2CHCH3 CI • Ignore alkene stereochemistry. •You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. P. opy aste ChemDoodle"