Questions from Organic Chemistry


Q: For each of the following pairs of compounds, determine whether they

For each of the following pairs of compounds, determine whether they are enantiomers, epimers, diastereomers that are not epimers, or identical compounds: a. d-Glucose and D-gulose b. 2-Deoxy-D-ribo...

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Q: Draw all possible 2-ketohexoses that are D sugars.

Draw all possible 2-ketohexoses that are D sugars.

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Q: Identify the two aldohexoses that will undergo a Wohl degradation to yield

Identify the two aldohexoses that will undergo a Wohl degradation to yield D-ribose. Draw a Fischer projection of the open-chain form for each of these two aldohexoses.

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Q: Identify the two aldohexoses that are obtained when D-arabinose undergoes

Identify the two aldohexoses that are obtained when D-arabinose undergoes a Kiliani–Fischer synthesis.

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Q: Predict the major product for each of the following transformations:

Predict the major product for each of the following transformations:

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Q: Identify the two products obtained when D-glyceraldehyde is treated with

Identify the two products obtained when D-glyceraldehyde is treated with HCN and determine the relationship between these two products.

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Q: When treated with sodium borohydride, D-glucose is converted into

When treated with sodium borohydride, D-glucose is converted into an alditol. a. Draw the structure of the alditol. b. Which L-aldohexose gives the same alditol when treated with sodium borohydride?...

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Q: Which of the D-aldohexoses are converted into optically inactive alditols

Which of the D-aldohexoses are converted into optically inactive alditols upon treatment with sodium borohydride?

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Q: (a) This compound will not be a reducing sugar because

(a) This compound will not be a reducing sugar because the anomeric position is an acetal group. (b) This compound will be a reducing sugar because the anomeric position bears an OH group. Determine...

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Q: Identify the reagents that you would use to convert β-D

Identify the reagents that you would use to convert β-D glucopyranose into each of the following compounds:

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