Questions from Organic Chemistry


Q: When methyloxirane is treated with HBr, the bromide ion attacks the

When methyloxirane is treated with HBr, the bromide ion attacks the less substituted position. However, when phenyloxirane is treated with HBr, the bromide ion attacks the more substituted position E...

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Q: Consider the following two compounds. When treated with NaOH, one

Consider the following two compounds. When treated with NaOH, one of these compounds forms an epoxide quite rapidly, while the other forms an epoxide very slowly. Identify which compound reacts more r...

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Q: Propose an efficient synthesis for the following transformation: /

Propose an efficient synthesis for the following transformation:

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Q: A compound with the molecular formula C9H18 exhibits a 1H NMR spectrum

A compound with the molecular formula C9H18 exhibits a 1H NMR spectrum with only one signal and a 13C NMR spectrum with two signals. Deduce the structure of this compound.

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Q: Using bromobenzene and ethylene oxide as your only sources of carbon,

Using bromobenzene and ethylene oxide as your only sources of carbon, show how you could prepare trans-2,3-diphenyloxirane (a racemic mixture of enantiomers).

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Q: Identify the reagents you would use to accomplish each of the following

Identify the reagents you would use to accomplish each of the following transformations:

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Q: The SN2 reaction between a Grignard reagent and an epoxide works reasonably

The SN2 reaction between a Grignard reagent and an epoxide works reasonably well when the epoxide is ethylene oxide. However, when the epoxide is substituted with groups that provide steric hindrance,...

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Q: The following sequence of reactions was employed during synthetic studies on reidispongiolide

The following sequence of reactions was employed during synthetic studies on reidispongiolide A, a cytotoxic marine natural product.8 Draw the structures of compounds A, B, C, and D

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Q: Sphingolipids are a class of compounds that play an important role in

Sphingolipids are a class of compounds that play an important role in signal transmission and cell recognition. Fumonisin B1 is a potent sphingolipid biosynthesis inhibitor. A recent synthesis of fum...

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Q: Guggul is an herbal extract from the resin of the mukul myrrh

Guggul is an herbal extract from the resin of the mukul myrrh tree, and it shows potential for treating high cholesterol. In a recent synthesis of (+)-myrrhanol A (a compound present in guggul), compo...

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