4. Draw 3-ethoxypentane. 5. Assign the priority of the substituents around the asymmetric carbon
1. Draw the dash-wedge structure that corresponds to the following Newman proje OH Htci CH CH3 4 Label each stereocenter in the following molecule with an asterisk (*) and identity it as na configuration. molecule with an asterisk (*) and identify it as having an R or an S NH2 3. Draw the most stable chair conformation for the following molecule. 4. Draw 3-ethoxypentane. 5. Assign the priority of the substituents around the asymmetric carbon. Br H I BY BE
10) 2. Assign R or to the two asymmetric carbons shown below S) 3. Place an asterisk (*) next to each asymmetric carbon in the molecule shown below 5) 4. Calculate the specific rotation for a substance that is at a conc. of 0.02 ml, and in a 2 decimeter tube ves an observed rotation of +12°.
10) 2. Assign Ror Sto the two asymmetric carbons shown below. HO away 4 = toward NH H _NH 5 3. Place an asterisk (*) next to each asymmetric carbon in the molecule shown below CI 5) 4. Calculate the specific rotation for a chance that leatamne ning almland in a 2 decimataru
Quiz/hw 5 due 2/20/19 1. Identify as chiral or achiral. 2. Prioritize the substituents on the chiral carbon noted. Assign the highest priority as "1. Br, Br NH a Kers. OH 2.K 4. Assign the indicated chiral carbons as R or S CHO H2OH 5. Each molecule below has a chiral carbon. Determine the absolute configuration (R/S) for each.
5-26 For each structure, 1. star (*) any asymmetric carbon atoms. 2. label each asymmetric carbon as (R) or (S). draw any internal mirror planes of symmetry. label the structure as chiral or achiral. label any meso structures. We were unable to transcribe this image
Part A Assign relative priorities to the groups or atoms in the following set: Rank substituents from the one with highest priority to the one with lowest priority. To rank items as equivalent, overlap them. Reset Help the highest priority the lowest priority CH,OH CH CH,CH2OH The correct ranking cannot be determined Submit My Answers Give Up Incorrect; Try Again; 3 attempts remaining Part B Assign relative priorities to the groups or atoms in the following set: Rank substituents from...
10) 2. Assign R or S to the two asymmetric carbons shown below. -сн CH, но "снусH, но Br 5) 3. Place an asterisk (*) next to each asymmetric carbon in the molecule shown below. OH 5) 4. Calculate the specific rotation for a substance that is at a conc. of 0.2g/ml, and in a 2 decimeter tube gives an observed rotation of +10°.
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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. (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...
a. Identify the asymmetric carbon of phthalidomide b. Draw the structure of the teratogenic S isomer using the line-wedge representation to show the stereochemistry of this carbon