(3) L1150 2. Draw the Fischer projections of the following compounds and assign (R) or (S) for chiral carbon atom....
3. (4 pts) Complete the Fischer projection drawn below by adding the four substituents to the chiral carbon of (s)-2-methyl-3-bromo-hexane. 4. (4 pts) Draw a wedge and dash structure representing (1R 2R,3S)-1,2- dichloro3-ethylcyclohexane. 5. (4pts) 2-bromobutane is shown below. Is this (R)-2-bromobutane or (S)-2 bromobutane? 6. (6 pts) For each chiral carbon in ascorbic acid (vitamin C), shown below, assign Ror S to each stereocenter. How many stereoisomers of ascorbic acid are possible? OH HO ОН 7. (9 pts) (Are...
2a. Draw the dash-wedge structures and Fischer projections of the following molecules. R-1-bromoethanol (2S, 3R) - 2-chloro-3-iodobutan-1-ol (HOCH-CHCICHBCH) .. Draw a diastereomer for (2S, 3R) - 2-chloro-3-iodobutan-1-ol.
1) 2-amino-3-hydroxybutanoic acid 2) 2,3-dinitrobutane A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
2. Mark all stereocenters with an asterisk (*) and assign the configuration (R or S) for each. Also write whether the molecule is chiral, achiral, or meso (3 pts each) H CH2OH b. c. tch Br Сн, 3. Name the following compounds (2 pts each) Br b.
1.) 2-amino-3-hydroxybutanoic acid 2.) 2,3-dinitrobutane A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
Thank you 4. (4 pts) Assign each chiral carbon as R or S in compound-A. Draw the mirror image of compound-A and assign configuration to each chiral carbon in the new molecule. (note: dotted line represents the mirror). Br Compound-A mirrorimage ofCompound-A mirror 5. (2 pts) Carbon-1 is R or S? Carbon-2 is R or S? H2N 2 CH3
3. Assign the chiral carbons in the following drug molecules as either Ror S. Please write your answers in the boxes provided. HNT NH O levetiracetam antiepileptic metaprolol antihypertensive duloxetine antidepressant HOONEN HO-PLONAN NH, 0 HA tenofovir (Gilead) anti-HIV/AIDS sitagliptin (Merck) oral antihyperglycemic n 4. Draw the structure in line-angle representation for (2R, 4R)-2-chloro-4-ethylheptane:
3. Assign R or S configuration on all chirial centers in each of the given Fischer projections. Then, draw the perspective drawing for each structure in the boxes below. Take particular care to indicate stereochemistry properly. 0 он HO- OCH HECH2CH2C HC Br HO H- I W OH H- a) CH₂ 6 CH₂OH OCH d) CH3 Perspective drawings:
3. Assign R or S configuration on all chirial centers in each of the given Fischer projections. Then, draw the perspective drawing for each structure in the boxes below. Take particular care to indicate stereochemistry properly. 0 он HO- OCH HECH2CH2C HC Br HO H- I W OH H- a) CH₂ 6 CH₂OH OCH d) CH3 Perspective drawings:
4,5,6 4. (1 pt.) Name the following compounds. Assign R S for chiral center and use E Z to describe double bond. 5. (1 pt.) How many tetrahedral stereocenters (chiral centers) are there in the molecule shown below. Mark each one with an asterisk. B. How many configurational isomers total are possible for this structure? A Number of tetrahedral stereocenters B. Total number of configurational isomers 6. (1 pt.) Identify all molecules that are chiral and the ones that are...