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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, Heat(a) Propose a mechanism for reaction A, which is a substitution reaction. (b) Explain why reaction B does not lead to a similar substitution.
- which reagents/mechanism complete this reaction? Solve plzzz!!!how is this synthesized as the only starting material and could you please include the mechanism1. 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-Me
- Q6. Propose a mechanism for the following reaction: Br CH3O + BrDraw a carbonyl group and indicate which atom is electrophilic. Provide full mechanism (curved arrows and intermediates) for the following reaction. NaCN HCI H он CNSometimes carbocation rearrangements can change the size of a ring. Draw a stepwise, detailed mechanism for the following reaction.