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Organic Chemistry / Addition Retrosynthesis / Problem #16216

Suggest a sequence of reactions suitable for preparing each of the following compounds from the indicated starting material. You may use any necessary organic or inorganic reagents. 

(f) 1,2-Epoxypropane from 2-propanol 

Please provide the missing reagents for the following reaction.  

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Which is the correct sequence of reaction steps necessary to complete the following transformations?

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Complete the transformation below by indicating the necessary sequence of reagents.

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Give reagents involved in the following transformations.

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Organic chemistry is a very creative science because there are so many different reactions known that often we are only limited by our imaginations. For example, the same starting alkene can be converted to the different products listed. Deduce the identity of the starting alkene, and write its structure in the box labeled "Starting Alkene". Fill in the boxes containing arrows with the reagents required to produce the given products.

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Propose a sequence of reactions to synthesize the target compound from the indicated starting material(s). You may use any other organic and/or inorganic reagents necessary to complete your synthesis, but all carbon atoms in the target must be derived from the starting material specified in each part. It is only necessary to give overall transformations in answering this question. It is not necessary to provide complete curved arrow mechanisms for the reactions that you use.

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Propose a sequence of reactions to synthesize the target compound from the indicated starting material(s). You may use any other organic and/or inorganic reagents necessary to complete your synthesis, but all carbon atoms in the target must be derived from the starting material specified in each part. It is only necessary to give overall transformations in answering this question. It is not necessary to provide complete curved arrow mechanisms for the reactions that you use.

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Propose a synthetic way to produce the following compound.

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Propose a synthetic way to produce the following compound. 

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Prepare the target molecules from the given starting materials.

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Starting with 1-butyne, outline a practical synthesis of 1-butanol.

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Which reaction gives an efficient synthesis of 1–bromo–2–methylpropane?

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Provide a multiple-step synthesis of octane-2,7-dione from (S)-2,2-dimethylcyclohexan-1-ol. You may use any additional reagents necessary.

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Propose a retrosynthesis for the following reaction:

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Propose a synthesis strategy for the following reaction:

 

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Provide an efficient multistep synthesis for the following conversion of the given starting material into product. For each functional group transformation, give all necessary reagents and catalysts, and give a structural formula of the organic product. Show stereochemistry appropriately when necessary. If a mixture of products must be present after a step, assume that you can separate the mixture and take the one needed product forward through the next step.

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Provide the reagents needed to accomplish each step and product of the synthetic scheme.

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Which is the correct sequence of reaction steps necessary to complete the following transformation?

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Starting with 1-methylcyclohexene, which of the following reaction sequences is the best synthesis of the azide shown below?

a) (1) HBr

    (2) NaN3

b) (1) HBr, peroxides

    (2) NaN3

c) (1) B2H6, diglyme

    (2) H2O2, HO-

    (3) TsCl, pyridine

    (4) NaN3

d) (1) CH3O3H

    (2) NaN3

    (3) H2SO4, heat

    (4) H2, Pt

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Draw the structures of compounds A, B, C, D and E from the following reaction sequence.

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Synthesize the following target molecules (TM) from the given starting materials (SM)

 

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Consider the information given below and identify the structure of the unknown compound A, with a molecular formula of C8H14. Compound A reacts with Br2/CCl4. Upon reaction with excess H2/P+1-ethyl-2-methylcyclopentane is produced. Subjecting A to ozonolysis, the product shown below is produced as the major organic product. Draw the correct structure of compound A, and provide a brief and clear explanation relating the data provide with the structure selected.

 

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Fill in the missing reagents:

 

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