Draw one of the possible diastereomers of the molecule shown below. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable. Drawing OH Atoms, Bonds and Rings Charges
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- Classify the following compounds as E and Z structures as applicable:Using your model, construct an energy diagram to show the variation in the free energy of the molecule as the FRONT ATOM is rotated CLOCKWISE from 0º to 360º in 60º increments. In your energy diagram, you should clearly show the relative energies of each conformer.nces IMalings REVIEW VIew E. 三 2 T Aa - AaBbCc[ AaBbCc[ AaBbCc[ AaBbC ay - A 三,這, T Normal 1 Body Text 1 List Para... T No Sp Paragraph Styles Q2. Draw all possible Newman projections for the below structure by sighting along the indicated bond. Arrange the relative stability of all conformations by assigning a number (1 for the least stable and highest number for the most stable) C3-C-4
- 6. For the following compound, (1) draw the complete Lewis structure; (2) site down the C3- C4 bond axis, and draw the seven Newman projections (0-360 degrees of rotation); (3) label each structure as to being eclipsed (E) or staggered (S). -CEN エ CtH₂N S=0 atom 1 CH3 ; atom 2 isoxazole ring Assuming the heterocyclic ring above to be planar: Give the number of electrons that are contributed to the pi system of the heterocyclic ring by: bextra, a COX-2 inhibitor, used in the treatment of arthritis ✓; atom 3 NA . Enter NA for atom 3 if the structure above has only two numbered atoms. How many electrons are in the pi system of the heterocyclic ring? (In the case of fused rings add all the pi electrons.) Is the heterocyclic ring with the numbered atoms aromatic?[The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas: (a) C25H28 (b) C3HĄC1, (c) C3H-N
- Please help with 4c, 4d, and 4e. We havent learned kaw of equivalents so please do 4c a different way. thank youConsider the structural/conformational isomers of isopropyldimethylcyclohexane shown below. Match each isomer to the statement that best describes its properties. VHas the least steric repulsion / steric strain. EVHas the most torsional and steric strain overall Me iPr, VHas a syn-pentane interaction between two (or more) non-hydrogen substituents Me VIs the lowest energy boat conformation shown В. H. Ме iPr Me C. Me iPr `Me H D. iPr Me Me E. Me Me H- iPrup an example (not appearing in this ChemActivity) of a pair of molecules that are a)constitutional isomers, b) conformers. c) configurational stereoisomers.
- Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This group is called an ethyl group and can be considered a sphere about twice the sizeof a methyl group. Draw the following Newman projections sighting down the C1C2 bond... a. The lowest potential energy conformation. b. The highest potential energy staggered conformation.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 ÓHDraw the structure of (Z)-2,3-dichloro-4-methyl-2-hexene. • Consider E/Z stereochemistry of alkenes. • You do not have to explicitly draw H atoms. opy aste ChemDoodle