CHEM_351_SP09_e2_FR

CHEM_351_SP09_e2_FR - provided b Draw a perspective drawing on the template provided CHO HO H CH 2 OH H OH H O OH c Given that D-threose has an

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Part II – Answer the following questions in the space provided and then tear off this page and turn it in with your scantron answer sheet for Part I. N a m e : ( Please print first and last name neatly ) 1. (18 points) Monochlorination of 2-methylbutane produces 4 different constitutional isomers. Cl 2 ,h υ C 5 H 11 Cl a) Draw these 4 isomers (C 5 H 11 Cl) in the boxes provided. b) Put an asterisk under any of the constitutional isomers that are chiral. 2. (14 points) Consider 2-bromo-3-chlorobutane. a) Draw its four stereoisomers on the templates provided. A BC D b)
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3. (14 points) Given the sugar called D -threose shown below: a) Assign R/S to each asymmetric (chiral) carbon on the Fischer Projection
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Unformatted text preview: provided. b) Draw a perspective drawing on the template provided. CHO HO H CH 2 OH H OH H O OH c) Given that D-threose has an optical rotation ( α ) = +34.4 o , what is the optical rotation ( α ) of L-threose? 4. (14 points) Monobromination of 2-methylpropane could produce 2 different constitutional isomers. Br 2 h υ , heat MAJOR product MINOR product a) Draw these 2 isomers (C 4 H 9 Br) in the boxes provided making sure to put each product in the appropriate box. b) Write out either one of the two propagation steps leading to the major product. Be sure to include the curved arrows that show the electron flow from reactants to products....
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This note was uploaded on 12/09/2011 for the course ENME 110 taught by Professor Irvine during the Spring '09 term at UMBC.

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CHEM_351_SP09_e2_FR - provided b Draw a perspective drawing on the template provided CHO HO H CH 2 OH H OH H O OH c Given that D-threose has an

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