ving c CHE 207 Exam #2 (Extra credit Question) (10 pts) How many stereoisomers can be formed from this structure? Explain. HO 1 HO 2 starsomers CI CI HO. LOH OH O October 14, 2024 Draw the structures of two pairs of enantiomers and at least two pairs of diastereomers. он 0 OH d gr + 3 Diasteromers 1 and 1 and. 3 4 OH OH 140. 2 он он он 0 OH 0 CL q T OH 4 0 OH

10- Two structures of glucose are shown below. CH₂OH HO HO OH LHa OH a-D-glucose HO,,. HO f) Draw the mirror image of a-D-glucose. d) How many possible stereoisomers? e) What is the relationship between a-D-glucose and B-D-glucose? CH₂OH OH OH Ha B-D-glucose Enantiomers/ diastereomers / conformers / constitutional / isomers

8. Identify the stereochemical relationship between the structural pairs shown below as (A) identical structures that are not meso; (B) identical structures that ARE meso; (C) structures that are enantiomers; or (D) structures that are diastereomers. a) b) H3C c) CH3 Br H. CH3 Br Br CH3 H. CI Holl H Cill Cl- CH3 Br H. CI CH3 HO. H. H3C Cl H3C- H- H. CH3 Cl a) b) c) 9. Identify the stereochemical relationship between the structural pairs shown below as (A) identical structures that are not meso; (B) identical structures that ARE meso; (C) structures that are enantiomers; or (D) structures that are diastereomers. a) b) c) CH2CH3 NH2 HO CH3 H3C. CH3 Cl HO H;C CH2CH3 F. F H;C. CI H H,N -CH3 CH3 NH2 H3C Br H2N C1 H3C CH3 CH3 H;CH,C- Cl F H. H Br CH,CH3 CH3 a) b) c)

Describe the stereochemical relationship between the two structures below. H H CHO OH OH CH₂OH I OA Mesomers HO H B. Enantiomers OC. Conformers D. Raceomers E.Diasteromers CHO -H -OH CH₂OH II