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- O Draw the major organic product that contains the carbon labeled with a * (do not include я ня - Base:Provide an arrow pushing mechanism for the following reaction. Include protons and each step clearly indicated. Ph Ph H* H3C CH3 HyN-NH -Me Me9a) The proton bonded to the carbon adjacent to the carbonyl group in the following compound can be classified into which chemical shift in the ¹H-NMR spectra of aldehydes and ketones? R or H H - 10.0-12.0 ppm R H -2.0-3.0 ppm NO₂ N (1) 9b) Choose the one below that could be resolved into enantiomers. (1) alpha hydrogens = ? ppm NO₂ NO₂ 9c) Which of the following is the major product of the reaction below. `N H -5.0-7.0 ppm (11) (11) -0.0-1.0 ppm HNO3, H₂SO4 H NO₂ (III) NO₂ (1) and (II) (IV) None of the options (IV)
- PQ-17. What is the major product of this reaction? (A) H3CO њсоян (B) OH OH (C) OH O H OH OH 1) CH,MgBr (1 eq.) 2) NHÀ -OH (D) онянA compound (C3H,NO) gives the following NMR data. In the box below please draw the structure of the compound. 'H-NMR: 2.06 ppm, s(3H); 7.01 ppm, t(1H); 7.30 ppm, m(2H); 7.59 ppm, d(2H); 9.90 ppm, s(1H) 13C-NMR: 168.14; 139.24; 128.511; 122.834; 118.90; 23.93 • You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. Do not include lone pairs in your answer. They will not be considered in the grading.5) Please show the pKa numbers for the conjugate acid of each compound /ion. As best as you can, arrange the following ions in order of a) increasing leaving group, b) increasing nucleophilicity. A B C OH D E