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- Q2: Draw all possible stereoisomers of 1,2-cyclobutanedicarboxylic acid, and indicate the interrelationships. Which, if any, are optically active? Do the same for 1,3-cyclobutanedicarboxylic acid.5) relationship between the pairs of structures. NOTE: Each term may be used more than Choose the term from the five terms listed below that BEST describes the once and not all terms need be used. Identical Diastereomers Enantiomers Constitutional isomers Not isomers CH3 CH3 ÇI H3C-Br CH3 Br -CI H,C. D-H H3C- Br H- -D Br CH3 -CI ČH3 OH H3C, CHO OHC, OH OH H. HO CHO OHC CH3 H. OH ÓHPlease don't provide handwritten solution .....
- Q2. Identify each of the following molecule as chiral or achiral. (By circling the chiral ones.) Write “meso" where it applies. (In other words, if it is achiral despite having chiral centers). н он NH2 H CH3 Но H3CƠ H H3CO H H HO" н он OH H CH3 H3C HUse flat representation of rings, not chair in the drawing. Determine the most and least stable. Consider the most stable chair for each of these isomers, and then draw the most stable and least stable isomer based on a comparison of the best chair for each one.(a) (d) 5. Assign the R and S configurations for all stereogenic centers in the following compounds. BI H CH(CH₂)₂ KAMION WOH H₂C H CH₂ Br -H Br +H CH, (0) CH=CH₂ H+C₂0 -C=CCH₂ CH₂CH₂CH₂C1 CH₂CH₂CI H₂NH CH₂CH₂Cl CH₂CH₂CH₂OH H₂N CH₂CH₂OH CH₂
- 2. Please consider the two all 'cis' isomers of trimethylcyclohexane drawn below. Draw the two chair conformers of each stereoisomer below (1 and 2) and calculate their torsional interaction energies in order to identify the lower energy conformer for each stereoisomer. Based on your calculations, state which of the two stereoisomers 1 and 2 is less stable and which is more stable. [1,3-diaxial CH3 CH3 = 3.7kcal/mol; 1,3-diaxial CH3 H = 0.88kcal/mol; cis-1,2 (axial:equatorial) CH3 CH3 = 0.88kcal/mol; trans-1,2-diequatorial CH3 CH3 = 0.88kcal/mol) all-cis-1,2,3- 1 all-cis-1,2,4- 2Image attachedanswer with explanation please