1) Outline a synthesis for the product shown below from the given starting material. OH CN...
1) Outline a synthesis for the product shown below from the given starting material ОН CN
a Provide synthesis of the molecule below from the required starting material OH Product Starting material
3. Devise a multi-step synthesis of the target molecule from the given starting material. Show all necessary reagents and conditions for each step and the product of each step. (7) OH BONUS: Please provide the arrow pushing mechanism of this reaction. Be sure to show a charges and stereochemistry where needed. To receive full credit, what is the name of this reaction? (4) NaOE HOE Br
LILIT OH O Но Ethylene oxide is the starting material for the synthesis of 1,4-dioxane. Write a detailed mechanism for this synthesis (shown above). Then draw curved arrows that depict electron reorganization for Step 1 of the mechanism shown below. Unless specified otherwise, do not count proton transfers when counting steps. The starting materials of this step are provided. Arrow-pushing Instructions in + XT H₂C- CH₂
5. Devise a multi-step synthesis that will provide the product shown from the given starting material. (Challenging!) 6 Multiple Steps 3. When diastereomers I and I undergo an E2 elimination on treatment with sodium ethoxide in ethanol, one of the isomers react 500 times faster than the other one. Also, one isomer gives only A as a product and the other isomer gives a mixture of A and B as products. Determine the products of each isomer and explain your...
HO OH ОН Ethylene oxide is the starting material for the synthesis of 1,4-dioxepane. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions :o: Hö: H-OH :0:
• Provide the step-by-step synthesis route/pathway (not mechanism) from the below starting material to the desired final product. (4 points) OH
1. Devise a synthesis of 2-propylhexanenitrile (structure below) from butanol as the only starting material. CN
22. Starting with 1-hexene, which synthetic pathway below gives 2-cyanohexane? CN ? (a) HSO. (cat), H20; then NaCN (b) HBr/peroxide; then NaCN (c) HBr; then NaCN (d) Bry/H_O; then NaCN 23. [9 pts) Write out a complete mechanism for the following transformation: Br CH,CH,OH You 24. (20 pts] Draw the major expected organic product(s) for each of the following reactions. Be sure to indicate stereochemistry when needed. 1) TSCI, Pyr 2) NaB Br HS 1) SOCI. pyridine 2) NaSH OH...
Design a synthesis of each of the following from the
starting material as shown
Design a synthesis of each of the following alcohols from the starting material shown. 2. several steps OH several steps OH