Question

Select 4 out 6 questions te answer. Clearly circle cach question te be graded. la. Name the following compounds aspe WAVENI e make emical ow funce UND is s CI CH3 H H CH CH3 н (S)- -cls ro - 3 - micilyl be tane B CH2CH2 Br CH3 CH3 с- H "CH3 www CH2Br Но с D Comde b. Which of the above are optically active? Write "none" if there are no options. c. Which of the above are enantiomers? Write "none" if there are no options.

Answer 1

CI "CHз Optically active (S)-2-chlorobutane Br Aots CH3 HI Hас"" CH2Br CH3 но (1R2R)-1,2-dimethylcyclopropane (2S,3S)-1,2-dibromo-2-methylpentan-3-ol Optically active Optically active CHз Нас, CI CI Н Нас. Нив H Снз "CHз CH3 Н (R)-2-chlorobutane Optically active CI H CI Нас. These two are enantiomers of each other CH3 "CHз (S)-2-chlorobutane Н