EDISFiguresed

EDISFiguresed - (S) (S) Br OH (R) (R) Br OH (S) (R) Br OH...

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Unformatted text preview: (S) (S) Br OH (R) (R) Br OH (S) (R) Br OH (R) (S) Br OH CH 3 (S) H Br (S) CH 3 HO H CH 3 (R) Br H (R) CH 3 H OH CH 3 (S) H Br (R) CH 3 H OH CH 3 (R) Br H (S) CH 3 HO H A B C D enantiomers enantiomers diasteromers diastereomers diastereomers 2 Different Stereocenters If we had a mixture of the above compounds and picked out two random molecules we would get three different possibilities. A/B and C/D are non-superimposible exact mirror images: ENANTIOMERS A/C, B/C, A/D, B/D are non-superimposable but are not mirror images: DIASTEREOMERS A/A, B/B, C/C, D/D are superimposable but not mirror images:IDENTICAL H 3 C (S) (S) CH 3 OH H Br H eclipsed form of A H 3 C (R) (R) CH 3 H Br H OH eclipsed form of B H 3 C (S) (R) CH 3 H H Br OH eclipsed form of C H 3 C (R) (S) CH 3 OH Br H H eclipsed form of D Enantiomers Diastereomers Meso Identical Superimposable Mirror Images Yes No No No Yes Yes Yes No Optically Active* Yes Yes No Yes *as pure compounds By. Dr. Sarah Lievens, University of California, Davis (Chem 118A) Jan. 2009 (S)...
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EDISFiguresed - (S) (S) Br OH (R) (R) Br OH (S) (R) Br OH...

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