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- Draw Newman Projections representing the two highest and two lowest energy conformers of (3S,4S)-4-tert-butyl-2,3-dimethyloctane as viewed along the C3-C4 bond. b.) Label each conformer with theappropriate description then analyze them and rank their energies and explain your reasoning by specifyingthe types of interactions. (Hint: Draw the first and then rotate only the front or back carbon)4. Draw the correct MO diagram for the n-system of the following compound EnergyIn the previous problem, you saw that there were two chiral carbons in 4-bromo-3-hydroxypentanal. That molecule is drawn below with the chiral carbons circled. What is the maximum number of stereoisomers that can exist for this molecule? Can you help me, please? Can you explain to me?
- The line bond structure of 4-bromo-3-hydroxypentanal is shown below. The carbons are numbered in red font. Redraw the molecule and circle the chiral carbon(s). Can you explain to me, please? Can you help me?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 ÓHto Medical Chemistry II. (BMC1CHEM02) oard / My courses / Introduction to Medical Chemistry II. (BMCICHEM02) / 29/03 2021 Chemistry Electronic te Electronic test in Chemistry n3 Cyclobutane is more stable molecule than cyclopropane, because.... Select one: ut of it has less angle strain. cyclobutane has a cis-trans stereoisomers. cyclobutane is a larger ring. it has more torsional strain. cyclopropane is planar. Next page
- 3. Complete the following 3 tasks for each molecule a-f. i. Label each molecule as chiral, achiral, optically active, ii. iii. optically inactive, and/or meso. Label any stereocenters found in each molecule as R or S. Identify the relationship between the molecule in the box and molecules a-f. Are they identical molecules, resonance structures, enantiomers, diastereomers, constitutional isomers, or molecules with different molecular formulas? A molecular model kit may help you compare structures. a. C. e. :O: d. .N. :O: بعد ہم f. :O: :0 N.2) Draw a molecule that has one R stereocenter. Do not duplicate your example from question 1.Do you expect each boxed molecule to be chiral or not?
- Which of the following structure has S configuration? (Figure attached) A: Only I CH₂OH B: Only II CH C: Both I & II D: None H₂N CHÍNH II CN C H CH2NH2 OHIs the following compound R or S. Support your claim by indicating the priority ofthe groups attached to the asymmetric carbon. H,CCH, *CH,OCH, CIQ2. 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 H