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Identiy the IUPAC names of the following chemical structures
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- Rank the following groups in order of decreasing priority. −H, −CH3, −Cl, −CH2ClRings + Unsaturation --- Hydrogenation If compound A C51H81BrN5O3P3 is hydrogenated to give compound B C51H101BrN5O3P3. How many rings does compound A have? Assume that P has a valency of 5. Would the answer be 4 rings? Formula -> unsat + rings = 1+C +N/2 - H/2 - X/2Rank the following groups in order of decreasing priority. a.−F, −NH2, −CH3, −OH b.−CH3, −CH2CH3, −CH2CH2CH3, −(CH2)3CH3 c.−NH2, −CH2NH2, −CH3, −CH2NHCH3 d.−COOH, −CH2OH, −H, −CHO e.−Cl, −CH3, −SH, −OH f.−C≡CH, −CH(CH3)2, −CH2CH3, −CH=CH2
- Conformational studies on ethane-1,2-diol (HOCH2¬CH2OH) have shown the most stable conformation about the central C¬C bond to be the gauche conformation, which is 9.6 kJ/mol (2.3 kcal/mol) more stable than the anti conformation. Draw Newman projections of these conformers, and explain this curious result.Complete the Newman projection below to draw the most stable conformation of 3-methylpentane, looking down the C2-C3 bond. Identify each substituent using "H" for hydrogen and "Me" for methyl. a= b= c= d=Why is this chair conformation the most stable trans-1-chloro-3-flurocyclohexane? Wouldn't the conformation with Cl & F in equatorial positions be the most stable conformation?
- Rank the following groups in order of decreasing priority. a.−COOH, −H, −NH2, −OH b.−H, −CH3, −Cl, −CH2Cl c. −CH2CH3, −CH3, −H, −CH(CH3)2 d.−CH=CH2, −CH3, −C≡CH, −HConsider 2-methylbutane (isopentane). Looking along the C2-C3 bond: a) Draw a Newmann projection of the most stable conformation. b) Draw a Newmann projection of the least stable conformation. c) Indicate the gauche form. d) State the eclipsed Newmann projection. An eclipsed CH3-CH3 interaction has an energy value of 11 kJ / mol and a gauche CH3-CH3 interaction has an energy value of 3.8 kJ / mol, the data are given if you need them.Consider 1-bromopropane, CH3CH2CH2Br. (a) Draw a Newman projection for the conformation in which CH3 and -Br are anti (dihedral angle 180°). (b) Draw Newman projections for the conformations in which - CH3 and -Br are gauche (dihedral angles 60° and 300°). (c) Which of these is the lowest energy conformation? (d) Which of these conformations, if any, are related by reflection?
- 1.1 Build a model for line structure and use the template given to draw a Newman projection for this conformation of the compound when viewed along the C2-C3 bond. (template given in second photo) 1.2 why is this the most stable structure?2. Give each of the following compounds an appropriate name.a. (C2H5)2Ob. CH3(CH2)2C(OH)(CH3)C2H5c. CH2OH(CH2)3CH(OH)CH3d. CH3CH2OCH2(CH3)C3H7 (n)e. CH3OC6H9 (neoSight along the C2-C1 bond of 2-methylpropane (isobutane).(a) Draw a Newman projection of the most stable conformation.(b) Draw a Newman projection of the least stable conformation.(c) Make a graph of energy versus angle of rotation around the C2-C1 bond.(d) Assign relative values to the maxima and minima in your graph, given that an H↔H eclipsing interaction costs 4.0 kJ/mol and an H↔CH3 eclipsing interaction costs 6.0 kJ/mol.