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Selected Answers - (2S,4S)-2,4- (chiral) H 2 N C(=O)OH H CH...

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CH 3 CH 3 Br F Cl H H H CH 3 CH 3 Br H Cl H H F CH 3 CH 3 Br F H H Cl H CH 3 CH 3 Br H H H Cl F BrCH 2 C 3 H 7 Br H CH 3 C 3 H 7 Br Br CH 3 C 2 H 5 Br H H Br CH 3 C 2 H 5 Br Br H H CH 3 CH 3 Br Br H H H H CH 3 CH 3 Br H H H H Br CH 3 CH 2 CH 2 CH 2 Br Br H (S)-1,4- (chiral) (2S,3S)-2,3- (chiral) C 2 H 5 C 2 H 5 H 3 C H H CH 3 C 2 H 5 C 2 H 5 H H CH 3 CH 3 C 2 H 5 C 3 H 7 H 3 C Br C 2 H 5 C 2 H 5 H H H CH 3 H CH 3 (R)-1,2- (chiral) 2,2- (achiral) (2S,3R)-2,3- (chiral) (2S,4R)-2,4- (achiral) CH 3 C 2 H 5 H H 3 C Br H Prob5-33b : Draw so carbons look tetrahedral (no "bowties"). The only C 8 H 18 with two stereocenters are: ! amts and its enantiomer (S,S) ! amts (Your answer may show a different view, so "rotate" these answers if necessary.)
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Unformatted text preview: (2S,4S)-2,4- (chiral) H 2 N C(=O)OH H CH 2 CH 2 CO 2-Exer5-17 : Prob5-35ejm ("more practice"): Draw so carbons look tetrahedral. Verify your (R) or (S) designations. CHEMISTRY 140A + mirror image of each Prob5-38abc : Exer5-23 (dibromopentanes, optically active if chiral, optically inactive if achiral): Prob5-42a : Exer6-10a : H SH (R,S) (R,R)...
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This note was uploaded on 06/07/2008 for the course CHEM 140A taught by Professor Whiteshell during the Fall '04 term at UCSD.

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