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- Given the following structure and numbering: H CO,H 3 H3C 1 A (a) Label the stereocenters of A as R or S and draw a Fischer Projection of the enantiomer of A with C1 on top and C4 on bottom. (b) Draw a Newman Projection of a diastereomer of 4 looking down the C2-C3 bond with C2 in front.What is the maximum number of stereoisomers possible for the following molecule? 8 6 2 3 1 ОН ОНQ 2(c) For the following molecules G and H: (i) (iii) (iv) CI- H- CH3 -H CI CH,CO,Me G Fischer f CI YcO₂Me H Which of the following terms best describes the relationship between G and H: enantiomers, diastereomers, identical, constitutional isomers or conformers. Assign R/S-configuration to all chiral centres in molecule G. Draw a stereoisomer of G that is not its enantiomer in the Fischer projection. Draw the enantiomer of H as a perspective formula (skeletal).
- The total number of stereoisomers for the following compound is: CI 15What is the stereochemical relationship between the compounds below? OH HO HOʻ H OH Но- Но H- H3C- H3C- -OH Но CH3 ČH3 CH3 ČH3 I II III O l and III are identical and are diastereomers of II O Il and IIII are enantiomers and are diastereomers of I O Il and III are identical, and are enantiomers of I O l and Il are enantiomers, and are diastereomers of II O l and Il are enantiomers and III is a meso compoundIndicate the configuration at each stereocenter for the following molecule: :ö- H H :0 H Draw the enantiomer of the molecule below: How many TOTAL stereoisomers are possible for the following molecule? How many OTHER diastereoisomers are possible for the following molecule?
- What is the stereochemical relationship between the following pairs of molecules? In the blank type either: same, enantiomers, or diastereomers CH3 H Br Br CH₂CH3 H HO H CH3 Br CH3 CH3 HO- CH3 B A:B D:E OH blank 1 blank 4 A:C D:F с CH3 blank 2 blank 5 CI D H B:C E:F CI E H H- blank 3 blank 6 -H CI CH3 FGive the configuration of each stereocenter in the following molecule: „CH3. le ОН OHConsider the following molecule: CH3 H NH₂ 1. Assign the priorities of the four different groups attached to the asymmetric (chiral) carbon in the following compound 2. Hence assign the configuration (R, S) of the stereocentre in the above compound: 3. Identify the two depictions of the correct enantiomer of the compound above: A B C D CH3 NH₂ H CH3 CH3 NH₂ Hi H₂N H H₂C NH₂