2. Convert this Fischer projection to a Haworth perspective of the cyclic molecule with an alpha configuration at the linkage. What is this molecule? HO H HO H H OH H OH CH₂OH
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- -Sketch the Fischer projection and make a model of each stereoisomer (R and S) of the alcohol 2-butanol, CH3CHOHCH2CH3. Also sketch the monosaccharide glyceraldehyde, HOCH2CHOHCHO. Prioritize the four groups attached to the stereocenter with 1 being the highest priority and 4 being the lowest priority.1. Draw all of the stereoisomers of 2,4-dichloropentane. Indicate the relationship between these stereoisomers, such as enantiomers, diastereomers, or meso compounds.1) Below you are given the structures of the disaccharides lactose and trehalose. он он но он но но OH но но OH но он но но OH Lactose Trehalose a. Identify clearly the hemiacetal and acetal groups in these disaccharides and determine for each of these identified groups if they have a- or B-configuration.
- Use the skeletal structure provided. CI OH HO .. A. provide the Fischer projections of the skeletal structure shown B. provide the structure (Fischer or skeletal) of a constitutional isomer C. provide the structure (Fischer or skeletal) of the enantiomer isomer H3C CH3 D. provide the structure (Fischer or skeletal) of a diastereomer isomer indicate if the structure can be classified as a meso compound. O Yes, meso O No, not meso12. Identify all four stereoisomers of structure 1. LOH NH2Draw the enantiomer and diastereomer of the following molecule. OH Cim H CH, NH, natural alanine Draw the enantiomer and diastereomer of the following molecule. а. b. СH, Н H HC H CH, CH, H
- Identify the configuration of carbon #1 and #2 in all of the stereoisomers.5. Consider the following pairs of structures. Identify the relationship between them (enantiomers, diastereomers, or identical compounds. HOH2C H OH H OH HO H Br H3C Н H H₂CH₂C CI Br H CHO CH3 I CH3 OH OHC Н H OH H OH Bell!! H3C, HO H Н.С H CH₂CH3 CH3 CI HỌ,H CH₂OH Bra) Which structures are Enantiomers? b) Which structures are Diastereomers? c) Which structures are meso compounds? Use the letters only for your answers. А. В. H H CI H H Cl C. H H D. H Cl ČI Cl CI H
- i) Classify the molecule as being saturated or unsaturated. Give a reason for youranswer. ii) Classify the Carbon (marked with a *) as being 1o, 20, 30. State a reason foryour classification.Glycosaminoglycans (GAGs) are heteropolysaccharides composed of repeating disaccharide units. These units have some similar characteristics that allow them to be identified as GAGS. Which of the structures are examples of glycosaminoglycans? А. C. E. HO HO COO™ H Н ОН Н CH₂OH H H H OH OH Н CH₂OH Н OH H ОН o,so H H Н CH₂OH H H ОН H CH₂OSO H NH C=0 CH, H H Н NH c=0 CH3 H CH,OH OH Н ОН OH H B. D. Н НО H ОН H CH₂OH H ОН Н СОО ОН Н Н H H OSoz H Н OH б H CH₂OH ОН CH₂OSO H ОН H Н OSO, H Н NHSO,Consider the pair of compounds shown below then select the word or phrase that best describes the relationship between them... Et Et Me Et Et Me and Me H. H Me H They are identical. None of these are accurate. They are diastereoisomers. They are constitutional isomers. They are enantiomers.