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4. (12 points) Show a detailed mechanism for the reaction below: OH H H+ o
7. Show a detailed step-wise mechanism for the following reaction. H,OH,O+ 0 HẠCHẮC CN. (excess) H,CHC OH NH4+
6. (12 points total) Mechanism: Provide a detailed mechanism for the following reaction. Use curved arrows to show the movement of electrons. (Hint: Begin by drawing the resonance structure for the reagent over the arrow) from med arrows total) Mecha H2C=N=N O-H OCH3 NEN (gas) 7. (18 points total) Mechanism: Provide a detailed, stepwise mechanism for the following reaction. Use curved arrows to show the movement of electrons. O Me Me
(3) [12 points] Present a detailed mechanism for this reaction. Use curved arrows to show the motion of electrons. You may use the symbol “+ H" and "taut" above reaction arrows to represent a protonation-deprotonation sequence and a tautomerization, respectively. هر) + H20 + H H
please show a full detailed mechanism for this reaction. 써 OH CO H Ac S NH Alloc EEDCT HC CN CN Ho mecN NH AiloC
12. In the following reaction: a) Write a detailed arrow pushing mechanism showing the stereochemistry (12 pts) HO: HO. ÖH Do not use these structures. Redraw them below and show OH every step. If an intermediate is common draw it twice!!! start your mechanism below the dotted line!!!
show a full DETAILED mechanism for this reaction. KOH O + KOH O +
provide the mechanism for the following reaction 4. Show the detailed mechanism for the following reduction of propanenitrile to propanal using DIBAH in toluene. H₃C EN 1) DIBAH, Toluene, -78°C 2) H+, H,0 H₂C 0 + NH₃
detailed arrow pushing mechanism with charge and lone pairs Provide a detailed, arrow-pushing mechanism for the hydrolysis reaction below. [15 points] H ОСН3 H2O H + CH3OH HCl cat. OH
Please answer both parts h Provide the produet and a detailed step-by-step mechanism for the reaction below 20 points) Na OCH, in CH OH 5. (a) Enamines react with acid chlorides in the same way as do other nucleophiles, and the result (after workup with water) is a dicarbonyl compound; this is sometimes called the Stork enamine acylation, after Prof. Gilbert Stork who developed this chemistry. No new ring is formed during this reaction. Please provide the product and a...
1. (4 pts) Mechanism Show the reaction mechanism of the following reaction. Show the stereochemistry of the product(s) expected. (The wiggly lines in the product mean that you have to show what stereochemistry is in the product, if any.) nc H OH HCI (g) o Cl H