Propose a synthesis for the following transformation: `Br 1) NaCN NH2 1) excess CH3! Br 2) xs LAH 3) H20 2) Ag,0. H,0, heat 1) excess CH3I Br 2) Ag,0, H20, heat 1) excess CH3I 1) O3 Br 2) Ag20, H20, heat 2) DMS
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- Which of the following reagent best accomplish this transformation below? a. Li/NH3 b. H2SO4, H2O, HgSO4 c. BH3, THF d. potassium permanganateWhich of the following reagent best accomplish this transformation below? a. H2, Lindlar b. BH3, THF c. Li/NH3 d. NaNH2, NH3Q2 Propose mechanisms for the following reactions. (a) (b) (c) (d) (e) Br HBr ROOR hv cat. H₂SO4 H₂O HBr > HCI EtOH cat. H₂SO4 H₂O Br OH Br xBr+ Br CI CH₂CH3 OH H H -OH Br CH₂CH3
- What reagent(s) is needed to complete the transformation below? Options: BH3, then NaOH/H2O2 HBr with peroxides (ROOR) Br2 in H2O Br2 in HOCH3Which of the following reagent best accomplish this transformation below? Which of the following reagent best accomplish this transformation below? (1st) HCl, (2nd) NaNH2, NH3 (1st)Br2, CCl4, (2nd)2 NaNH2, NH3 (1st) BH3, THF, (2nd) H2O2 (1st) H2, Lindlar, (2nd) H2O2Consider the series of the trans effect: CO, CN-, C2H4 > PR3, H-, CH3- > C6H5- > NO2-, SCN-, I- > Br- >Cl- > py > NH3 > H20 What would be the major product of the following reaction? Select one:
- select the most appropriate reagent(s) to effect the change. K2Cr2O7, H+ H2, Pd 1. Disiamylborane, 2. HO–, H2O, H2O2 NaOCl H2SO4, HgSO4Match the questions with the correct descriptions below: Sn2, E2 E1cb Sn1, E1 (anti) E2, E1cb Sn1, E1 2 steps poor leaving group 2 carbons removed from a carbonyl group carbanion intermediate 3°>allylic, benzylic>2°>1°>CH₃ carbocation intermediate Ist order reaction (r=k[RX]) H-X anti no intermediate 2nd order reaction (r=k[RX][Nu]) polar aprotic solventQ4: Propose structure for compound that fit the following descriptions:a) An alkyl halide that gives a mixture of three alkenes on E2 reaction.b) An organo halide that will not undergo nucleophile substitution.c) An alkyl halide that gives the non-Zaitsev product on E2 reaction.d) An alcohol that reacts rapidly with HCI at 00C.
- The methoxy group (-OCH3) group is considered a .... Ortho/Para Directing Activator Ortho/Para Directing Deactivator Meta Directing DeactivatorThese reagents can produce ketones with alkynes A. BH3, THF, H2O2 B. KMnO4 C. O3 D. H2SO4, H2O, HgSO4These reagents can produce ketones with alkynes A. BH3, THF, H2O2 B. KMnO4 C. O3 D. H2SO4, H2O, HgSO4 choices:A,DB,CA,B,CA,B,C,D