50% Select to Add Arrows CH3CH2ONA, CH3CH2OH :0: ما Pro Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps. Pr Na 10: H Select to Add Arrows CH3CH2ONA, CH3CH2OH

Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. esc F1 •N. H H Select to Add Arrows @ 2 :O: O:CEN: F2 KCN, HCI !!!! ΚΘ KO # 3 F3 $ 4 000 F4 % 5 F5 MacBoo 6 E

Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps.

One of the steps in the mechanism of the above reaction as shown below. Draw the structure of all the products of this reaction. com/mm/takeAssignCourt Rotivity.do?locator assignment-take 1 pt ment Eto O Eto O 3. NaOH, H₂O, heat 4. HCI, H₂O, heat One of the steps in the mechanism of the above reaction is shown below. Draw the structure of all of the products of this reaction. O OEt O 1. Eto Na 2 Å OH You do not have to consider stereochemistry. • Draw enolate anions in their carbanion form. . You should include all products. Ôno P Ć [References) . Include counter-ions, e.g., Na, I, in your submission, but draw them in their own separate sketcher. . Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. . Separate multiple products using the + sign from the drop-down menu. ///-000- IF Previous Email Instructor

4. For the following reaction scheme, please convert the starting material to the corresponding product. If the reaction is destined to fail, please write "no reaction" to the right, otherwise draw the appropriate product to the right of the arrow. NABH4 MeOH 1. LİAIH4 Meo 2. H20 OMe 1. CH3MgBr (excess) 2. H2О 1. C6H5LI (excess) 2. Нао

5. Write a detailed chemical mechanism for the following reaction. [10 pts] NBS hv ? For full credit, • Explicitly label initiation, propagation, and termination steps. • Use 'curly arrows' to denote electron flow. Show all resonance forms of the reaction intermediate(s). N-Br NBS (N-bromosuccinimde) • Show reaction at any resonance forms of the reaction intermediate(s) that lead to different products. including constitutional and stereochemical isomers (if any). Show two different termination steps. Showing more steps will not earn points; wrong steps will lose points

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Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps. N. H :0: O:CEN: KO Select to Add Arrows KCN, HOI Select to Add Arrows KO

Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps.

Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. mo :0: Select to Add Arrows m H Select to Add Arrows THF H3O+ H OH Mg H