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- A proton (H*) from trifluoromethanesulfonic acid, CF3SO2OH, can add to the alkyne shown to yield two different carbocation products. (a) Draw the mechanism for each of these steps, along with the corresponding products. (b) Which carbocation is more stable? H3C C-c=CH H2 + H-OSO,CFз ? H2Draw a plausible mechanism for the following reactions, showing relevant lone pairs and arrow pushing. Do not consider stereochemistry in your mechanism. a) H,SO4, EtOH b) OH H,SO, HeatWhat is the predicted product of the reaction shown? ОТ O II O III OIV OV НО ОН || -ОН ||| Н H₂SO4 ОН IV
- For both parts, predict the product and give a complete mechanism for the following transformation. Include all intermediates, resonance forms, curved arrows, lone pairs, and formal charges. a) охcess CH,OH b) excess NH, Br1. Draw in the missing curved arrows in the following mechanism and identify the arrow pushing pattern associated with each step: Reaction: Mechanism: MeO OMe acetal ROH (+ H-A H-A :A HO OR hemiacetal H ROH + H-A MeOH H MeO O-Me RO OR acetal MeOH HO Me. H LO о ме H₂O :A HO O-Me hemiacetal H-A | H₂O O-MeQ6. Propose a mechanism for the following reaction: Br CH3O + Br
- Draw a carbonyl group and indicate which atom is electrophilic. Provide full mechanism (curved arrows and intermediates) for the following reaction. NaCN HCI H он CNWhat is the predicted product of the reaction shown? ОТ O II O ||| O IV OV Н Na2Cr2O7/H2SO4/H2O IV || ОН ОН овог H V Ш OH ОН1. There are two possible products for the following reaction. Draw both. OH K₂Cr₂O₁ H₂SOA
- draw and explain the mechanism of this reaction OH CH₂ PhCOCI in py CH3 KOH in py 3 C OH H₂SO, in 0000 CH, CONDraw a plausible mechanism for the reaction shown below. Determine the major product and provide explanations for each step in the mechanism. CN || + Ph - С-Н NaOEt CH2 A `NO2Draw the mechanism ffrom benzaldehyde to this using: i)NaBH4 ii)TsCl, py iii)NaCN iiii)H+, H2O