Show off your knowledge of simple reactions. Given each of the following reactants, please provide reagents...
2.(20) The following five reactions show reactants, reagents and products. In each reaction one of the categories is missing (represented by a letter). Supply the missing reactant, reagents or product where appropriate in each reaction. In your structures, be sure to indicate stereochemistry where warranted. A= a) b) H2, 5%Pt/C CH212. Zn(Cu) in ether c) C : CH Br2 in H20 d) D : phase transf. cat OH 1) Hg(OAc)2, H20 2) NaBH4 e)
The following four reactions show reactants, reagents, and products. In each reaction one of the categories is missing. Supply the missing compound or reagents in each of the reactions. Be sure to indicate stereochemistry where warranted.
Provide the major product(s) that you would obtain in the following reactions and any missing reagents that you need to complete each reaction. a. Br2 FeBr3
1. Please provide the necessary reagents, reactants, and solvents to perform the indicated transformations. More than one step is necessary. Synthesis of reagents used for the transformation is not required. Clearly number your synthetic steps (3 points each; 24 points total) Please use chemistry discussed in our lecture to show your understanding. No credit will be given for reactions that we have not discussed in lecture. This PW is bonus and completely optional. However, your final exam PTR questions will...
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4) Multi-step synthesis: Starting with given the compound and using any other reagents of your choice, except Grignard reagents, provide a synthesis for the following compound. (1 pt) Please use reactions that give the desired product as the major product Show the product for each reaction step Complete the synthesis in 5 steps or less Please do not use...
2. Given both reactants and products, provide correct chemical reagents and solvents to complete the reaction. You might have multiple choices: 3. Propose a plausible synthesis for each of the following transformations: od
2. Provide the missing products/reagents for the following reactions (2 pts each, 12 pts) 3. Protecting groups are important in Organic synthesis. We have seen 3 different protecting groups so far. Pick one and show how it is added, how it is removed, and what unwanted reactivity of the starting functional group it avoids. 4 pts) It is actually possible to oxidize ketones to esters using a reaction we have not talked about the Baeyer Villager reaction - which uses...
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Question 3 (36 pts.) For each of the following reactions: a) Provide the missing major organic product. Pay attention to stereochemistry unless directed otherwise and identify any racemic mixtures using the (1) symbol. c) Assign each reaction as OXIDATION or REDUCTION as appropriate NaBH, ETOH 1. Excess LIAIH 2. H2O nyomas La Na, Cr20;/H,SO/H, Excess PCC/CH_C12 OH Question 4 (22 pts.). Synthesize the target) molecule on the right from the starting molecule the left Give reagents and...
4) (2 pts each) Outline a synthesis (i.e., simply show the reagents/reactants for the necessary reactions) for each compound below from the designated starting material. Use reagents you've learned about in Orgo I and II. The number of arrows does not necessarily correspond to the number of steps required. As a general rule, any carbon units in the products that were not in the starting materials should come from molecules containing 7 or fewer carbons. Things that don't end up...
1. Provide the necessary reactants, reagents or products for the following more than one product clearly show all the products reactions. If there are CH3 CH3 CH3 CH3 CH3 он CH3 CH3 CH3 H-C-H BrMg-CHCH2CH3 CH2CH3 MgBr 1. ether