Questions from Organic Chemistry


Q: Starting with benzene and any reagents with three or fewer carbon atoms

Starting with benzene and any reagents with three or fewer carbon atoms, show how you would prepare each of the following compounds:

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Q: Draw the structures of all isomeric amines with the molecular formula C6H15N

Draw the structures of all isomeric amines with the molecular formula C6H15N that are not expected to produce any signal above 3000 cm−1 in their IR spectra.

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Q: When the following compound is treated with excess methyl iodide, a

When the following compound is treated with excess methyl iodide, a quaternary ammonium salt is obtained that bears only one positive charge. Draw the structure of the quaternary ammonium salt.

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Q: N-Acetylcolchinol is a highly potent anticancer drug, and its

N-Acetylcolchinol is a highly potent anticancer drug, and its characteristic 6,7,6 fused ring system can also be seen in the structure of dibenzo[a,c]cyclohepten-5-one. This ketone (and derivatives o...

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Q: Diene 1 is useful in that it can be utilized in sequential

Diene 1 is useful in that it can be utilized in sequential Stille and Suzuki coupling reactions. The researchers who developed this reagent recognized that a Stille coupling could be selectively acco...

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Q: In a study exploring the utility of olefin metathesis reactions, the

In a study exploring the utility of olefin metathesis reactions, the following triene was prepared and subjected to a Grubbs catalyst. The triene underwent a tandem ring-opening/ring-closing reaction...

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Q: Like alcohols, boronic acids [RB(OH)2)]

Like alcohols, boronic acids [RB(OH)2)] can be protected using N-methyliminodiacetic acid (MIDA). The MIDA boronates that result are unreactive to normal Suzuki coupling conditions. When treated with...

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Q: First isolated in 1969, ecteinascidin 743 belongs to a family of

First isolated in 1969, ecteinascidin 743 belongs to a family of cytotoxic natural products isolated from a marine sponge of genus Ecteinascidia. These natural products were not fully identified until...

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Q: When acetaldehyde is treated with aqueous acid, an aldol reaction can

When acetaldehyde is treated with aqueous acid, an aldol reaction can occur. In other words, aldol reactions can also occur in acidic conditions, although the intermediate is different than the interm...

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Q: Treatment of compound 1 with a Grubbs catalyst affords a mixture of

Treatment of compound 1 with a Grubbs catalyst affords a mixture of two cyclic ethers, A and B. a. Draw the structures of the products A and B. Note: A fourmembered ring will not form if the option o...

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