1. Propose a reasonable mechanism for the reaction shown below. Include all mechanistic intermediates in their correct order, use arrows correctly to indicate bond making/breaking (i.e., movement of electrons, NOT atoms or charge symbols), and clearly show which atoms (if any) contain formal charges. Ph H D* (cat.), D₂O Ph
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- TROVIOW Topicaj (References) Draw the major organic product of the reaction shown below. HO, NANH2 You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Include cationic counter-ions, e.g., Na" in your answer, but draw them in their own sketcher. (Review Top Draw the major organic product of the reaction shown below. OH K2Cr207 H2SO4, H20 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.3. Draw the mechanism of the following reaction. Include all lone pairs and formal charges. Br NaNH2 (xs), NH3 Br4. For the following, a) predict the product and b) using curved arrows to show electron movement, provide a reasonable mechanism for each reaction. CI CH3OH ??? (-HCI) CI H2N (-HCI) + ??? NH2
- a. The reaction shown takes place in four steps. Complete the mechanism by adding curved arrows for each step and drawing the structures of the intermediates in the boxes. Add any missing lone pairs that are involved in the mechanism and show all nonzero formal charges. b. What kind of reaction (SN1, E1, SN2, E2) is this? [H,SO.] heat H-ö-HMechanism 2. Provide the complete mechanism for the reactions below. You must include appropriate arrows, intermediates, and formal charges. The ChemDraw template of this document is available on Carmen. 1. PPh3 2. NaH Br1. Provide a complete mechanism for each of the reactions shown below. Use the curved arrow formalism to indicate the flow of electrons. Show all lone pairs, formal charges, and important resonance structures. a) b) Br H₂N OOH H₂O ང།།“ (AcOH) DO 41 * CI OH ОАс
- Identify the major product of the reaction of an alkene shown below. ||| 1. Hg(OAc)2, H2O 2. NaBH4, NaOH ....... ОН || IV ОН о, ОН2) Provide a detailed mechanism for the addition reaction shown below. State the regiochemistry and explain why it's unusual. Please be sure to include all structures (use line angle notation or perspective diagrams as appropriate to illustrate the stereochemistry of the process), resonance forms, intermkediates, transition states, curved arrows, formal charges, or lone pairs as necessary. Please don't cheat. Br HBr SCH3 SCH + ENb Use curved arrows to show the mechanism of the step below. If more than one resonance form of the product is possible, show the most stable form. Arrow-pushing Instructions ^^C↔X™ H to HI.... H3C
- 3. Mechanism Draw the mechanism for the following reactions using curved arrows to show the movement of electrons for all intermediates. Include relevant lone pairs and formal charges. PTSA (cat.) Домо OMe NHMechanism. Provide the complete mechanism for the reaction below. You must include appropriate arrows, intermediates, and formal charges. میلیم OH u o OH NH 2. HeatMechanism. Provide the complete mechanism for the reaction below. You must include appropriate arrows, intermediates, and formal charges. OH HO, H2SO4 (cat.) reflux