Questions from Organic Chemistry

Q: Draw and name the enantiomer of D-fructose.

Draw and name the enantiomer of D-fructose.

Q: Which of the following terms best describes the relationship between d-

Which of the following terms best describes the relationship between d-fructose and d-glucose? Explain your choice. a. Enantiomers b. Diastereomers c. Constitutional isomers

Q: Draw the cyclic hemiacetal that is formed when each of the following

Draw the cyclic hemiacetal that is formed when each of the following bifunctional compounds is treated with aqueous acid:

Q: Identify the hydroxyaldehyde that will cyclize under acidic conditions to give the

Identify the hydroxyaldehyde that will cyclize under acidic conditions to give the following hemiacetal:

Q: The following compound has one aldehyde group and two OH groups.

The following compound has one aldehyde group and two OH groups. Under acidic conditions, either one of the OH groups can function as a nucleophile and attack the carbonyl group, giving rise to two po...

Q: Draw a Haworth projection for each of the following compounds:

Draw a Haworth projection for each of the following compounds: a. β-D-Galactopyranose b. α- D -Mannopyranose c. α- D -Allopyranose d. β- D -Mannopyranose e. β- D -Glucopyranose f. α- D -Glucopyr...

Q: Provide a complete name for the following compound: /

Provide a complete name for the following compound:

Q: Mutarotation causes the conversion of β-D-mannopyranose to α

Mutarotation causes the conversion of β-D-mannopyranose to α-D-mannopyranose. Using Haworth projections, draw the equilibrium between the two pyranose forms and the open-chain form of d-mannose.

Q: When D-talose is dissolved in water, an equilibrium is

When D-talose is dissolved in water, an equilibrium is established in which two pyranose forms are present. Draw both pyranose forms and name them.

Q: Identify the reagents you would use to convert 3-pentanone into

Identify the reagents you would use to convert 3-pentanone into 3-hexanone.