Write equations and mechanisms in the synthesis of the following compounds. Start with a 3-pentanone and utilize any other reagents needed. More than one step may be necessary.
1) 3-Methyl-3-chloropentane
Write equations and mechanisms in the synthesis of the following compounds. Start with a 3-pentanone and...
11. Write out a step wise synthesis of the following compounds starting from acetylene. You may use any other reagents necessary. a. b. HO
Give a reasonable synthesis for each of the following compounds from the indicated starting materials. You may use any other organic or inorganic reagents you wish unless otherwise indicated. The desired product for each reaction you propose must be the one of the predominant products. Give the reactants, conditions (where appropriate) and products of each synthetic step. If equal mixtures are anticipated (i.e. ortho / para products) then indicate where separations are needed. NO MECHANISMS! [6 points 2. Give a...
3) Devise a synthesis of the following compound using the given compounds (you may use each one more than once if needed). You may also use any needed inorganic or organic reagents but all of the carbons in the target molecule must come from the given starting materials. Hint: this synthesis will require you to use ozonolysis and a reaction that starts with the letter DI
Devise a synthesis of the following compound using the given compounds (you may use each one more than once if needed). You may also use any needed inorganic or organic reagents but all of the carbons in the target molecule must come from the given starting materials.
Show a good laboratory synthesis of the following compounds. If more than one step is required, provide each step in the synthesis, reagents required for the step, and write the structures of the products of each step.
Suggest suitable starting materials and reagents for the synthesis of 3-cyclopentyl-4-methyl-2-pentanone using enolate alkylation reactions. Select one: a. i) 3-methyl-2-pentanone, LDA ii) bromocyclopentane b. i) 4-ethyl-2-pentanone, LDA ii) bromocyclopentane c. i) 4-methyl-2-pentanone, NaH ii) bromocyclohexane d. i) 4-methyl-2-pentanone, LDA ii) bromocyclopentane e. i) 3-methyl-2-butanone, pyridine ii) bromocyclopentane
Provide a reaction sequence for synthesis of each of the following compounds from the indicated starting material and the reagents given in the table below. List the reagents in order (by letter, no period) necessary for the synthesis, and draw any of those specified. Note: Not all spaces provided may be needed. Type "na" in any space where you have no reagent. a. Ethanol b. Hz0+, heat C. LDA d. LiAlH g. PBr3 h. Rx i. NaBH, J. RCOOR, ONa...
6. Starting with benzene and using any other necessary reagents of your choice, design a synthesis for the following compound. Note: there may be more than one plausible answer 7. Starting with benzene and using any other necessary reagents of your choice, design a synthesis for the following compound. Note: there may be more than one plausible answer 8. Starting with benene and using any other necessary reagents of your choice, design a synthesis for the following compound. Note: there...
3. Propose reasonable syntheses of each of the following compounds from the given starting materials. You may use any other readily available alkyl halides, solvents and reagents as necessary. More than one step is necessary. Show all intermediates, reactions, reagents and conditions clearly. It is not necessary to show the mechanism. HCECH HCECH , X HCECH HC=CH M H OHC (30 marks)
Retrosynthetic Analysis 12. Give a reasonable synthesis for each of the following compounds from the indicated starting materials. You may use any other organic or inorganic reagents you wish unless otherwise indicated. The desired product for each reaction you propose must be the one of the predominant products. Give the reactants, conditions (where appropriate) and products of each synthetic step. NO MECHANISMS! [8 points] NH ONH2 Make starting with