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2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. (...
2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures be...
2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. (ii) Label the absolute configuration at each carbon stereocenter as either (R) or (S). (iii) Show work that justifies each label. (1pt will be deducted for each carbon that is mislabeled as a stereocenter. All other parts must be correct to receive credit for each case.) (a) OH HO OH
2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a...
2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. (ii) Label the absolute configuration at each carbon stereocenter as either (R) or (S). (iii) Show work that justifies each label. (1pt will be deducted for each carbon that is mislabeled as a stereocenter. All other parts must be correct to receive credit for each case.) (b) (c) (d) Но НО Он SH
1) Draw an arrow pointing to EACH carbon that isnconsidered to be a “stereocenter” in thebstruxtures...
1) Draw an arrow pointing to EACH carbon that isnconsidered to
be a “stereocenter” in thebstruxtures below.
2) Label the absolute configuration at each carbon
stereocentee as either (R) or (S).
3) show the work that justifies each label
2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. (ii) Label the absolute configuration at each carbon stereocenter as either (R) or (S). (iii) Show work that justifies each...
2. (i) (6pts) Draw an arrow pointing to each carbon that is considered to be a...
2. (i) (6pts) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. There will be a 1pt will be deduction for each carbon that is mislabeled as a stereocenter. (ii) (12pts) Label the absolute configuration at each carbon stereocenter as either (R) or (S). (b) LL " "" " Br I
2. Draw Fischer projections of the open chain tautomer of each of the monosaccharides shown below,...
2. Draw Fischer projections of the open chain tautomer of each of the monosaccharides shown below, and indicate whether the compound is: i. an aldose or a ketose; ii. a D- or an L-sugar; iii. a triose, tetrose, pentose or hexose OH OH HO HO HO OH OH HO OH OH HO H OH 3. Draw Fischer projections of L-arabinose, D-fucose, and L-mannoheptulose given the structures below OH CHO CHO HOH HOH HOHH H-OH HOH H OH H OH OH...
Draw molecules that satisfy the following prompts i-iii. All molecules must have 8-10 Carbon atoms AND...
Draw molecules that satisfy the following prompts i-iii. All molecules must have 8-10 Carbon atoms AND exactly 2 Heteroatoms (i.e. atoms that are not carbon or hydrogen atoms). You may not use the same molecule twice for any parts of this question. You do not need to look up solubility information, but the answers must be reasonable. Also, the structures must be reasonable (improper structures, e.g. carbon with 5 bonds, or oxygen with one bond and no charge, will not...
Draw molecules that satisfy the following prompts i-iii. All molecules must have 8-10 Carbon atoms AND...
Draw molecules that satisfy the following prompts i-iii. All molecules must have 8-10 Carbon atoms AND exactly 2 Heteroatoms (i.e. atoms that are not carbon or hydrogen atoms). You may not use the same molecule twice for any parts of this question. You do not need to look up solubility information, but the answers must be reasonable. Also, the structures must be reasonable (improper structures, e.g. carbon with 5 bonds, or oxygen with one bond and no charge, will not...
2. (a) (i) Draw an arrow-pushing mechanism that illustrates the electron flow in the acid-base reaction...
2. (a) (i) Draw an arrow-pushing mechanism that illustrates the electron flow in the acid-base reaction below. Use the structures shown below in your arrow-pushing mechanism. (4pts for correct mechanism). (ii) Using pKa values indicated in Table 1.8 (round to nearest whole number) and estimate the equilibrium constant for this reaction (Keq). Show work which led to this value. (3pts for work, 1pt for correct Keq indicated). (iii) Draw a base (assuming the same acid provided below) that would reverse...
2. (6 pts) For each reaction below, i) draw the mechanism (curved arrow flow of electrons),...
2. (6 pts) For each reaction below, i) draw the mechanism (curved arrow flow of electrons), ii) circle which side of the reaction is favored under equilibrium conditions, and iii) in the box, state which acidity trend dominates the equilibrium. a) TSH no & TOH acidity trend: acidity trend: oY Hory.%y - Y acidity trend: acidity trend: ovom acidity trend:
2. Analyze each pair of compounds below. Identify which class of isomers each pair of structures...
2. Analyze each pair of compounds below. Identify which class of isomers each pair of structures represent. Your choices are: (i) constitutional, (ii) conformational, (iii) enantiomers, or (iv) diastereomers. Only one label for each pair should be used. For each case show work (drawings, (R)/(S), rotation of bonds, chair-flips, etc) which led you to each answer for the pairs below. Any differences of answers between you and your peers can be discussed and corrected as needed. OH H, H носно...
2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. (ii) Label the absolute configuration at each carbon stereocenter as either (R) or (S). (iii) Show work that justifies each label. (1pt will be deducted for each carbon that is mislabeled as a stereocenter. All other parts must be correct to receive credit for each case.) (a) OH HO OH
2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. (ii) Label the absolute configuration at each carbon stereocenter as either (R) or (S). (iii) Show work that justifies each label. (1pt will be deducted for each carbon that is mislabeled as a stereocenter. All other parts must be correct to receive credit for each case.) (b) (c) (d) Но НО Он SH
1) Draw an arrow pointing to EACH carbon that isnconsidered to
be a “stereocenter” in thebstruxtures below.
2) Label the absolute configuration at each carbon
stereocentee as either (R) or (S).
3) show the work that justifies each label
2. (18pts) (i) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. (ii) Label the absolute configuration at each carbon stereocenter as either (R) or (S). (iii) Show work that justifies each...
2. (i) (6pts) Draw an arrow pointing to each carbon that is considered to be a stereocenter in the structures below. There will be a 1pt will be deduction for each carbon that is mislabeled as a stereocenter. (ii) (12pts) Label the absolute configuration at each carbon stereocenter as either (R) or (S). (b) LL " "" " Br I
2. Draw Fischer projections of the open chain tautomer of each of the monosaccharides shown below, and indicate whether the compound is: i. an aldose or a ketose; ii. a D- or an L-sugar; iii. a triose, tetrose, pentose or hexose OH OH HO HO HO OH OH HO OH OH HO H OH 3. Draw Fischer projections of L-arabinose, D-fucose, and L-mannoheptulose given the structures below OH CHO CHO HOH HOH HOHH H-OH HOH H OH H OH OH...
2. (a) (i) Draw an arrow-pushing mechanism that illustrates the electron flow in the acid-base reaction below. Use the structures shown below in your arrow-pushing mechanism. (4pts for correct mechanism). (ii) Using pKa values indicated in Table 1.8 (round to nearest whole number) and estimate the equilibrium constant for this reaction (Keq). Show work which led to this value. (3pts for work, 1pt for correct Keq indicated). (iii) Draw a base (assuming the same acid provided below) that would reverse...
2. (6 pts) For each reaction below, i) draw the mechanism (curved arrow flow of electrons), ii) circle which side of the reaction is favored under equilibrium conditions, and iii) in the box, state which acidity trend dominates the equilibrium. a) TSH no & TOH acidity trend: acidity trend: oY Hory.%y - Y acidity trend: acidity trend: ovom acidity trend:
2. Analyze each pair of compounds below. Identify which class of isomers each pair of structures represent. Your choices are: (i) constitutional, (ii) conformational, (iii) enantiomers, or (iv) diastereomers. Only one label for each pair should be used. For each case show work (drawings, (R)/(S), rotation of bonds, chair-flips, etc) which led you to each answer for the pairs below. Any differences of answers between you and your peers can be discussed and corrected as needed. OH H, H носно...
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