Questions from Organic Chemistry

Q: Draw the expected 1H NMR spectrum for each of the following compounds

Draw the expected 1H NMR spectrum for each of the following compounds:

Q: Identify reagents that you could use to achieve each of the following

Identify reagents that you could use to achieve each of the following transformations:

Q: An alkyne with the molecular formula C5H8 was treated with sodium in

An alkyne with the molecular formula C5H8 was treated with sodium in liquid ammonia to give a disubstituted alkene. Draw the structure of the alkene.

Q: Predict the major product(s) expected for each of the

Predict the major product(s) expected for each of the following reactions:

Q: Suggest reagents that would achieve the following transformation: /

Suggest reagents that would achieve the following transformation:

Q: An alkyne with the molecular formula C5H8 is treated with excess HBr

An alkyne with the molecular formula C5H8 is treated with excess HBr, and two different products are obtained, each of which has the molecular formula C5H10Br2. a. Identify the starting alkyne. b. I...

Q: The following enols cannot be isolated. They rapidly tautomerize to produce

The following enols cannot be isolated. They rapidly tautomerize to produce ketones. In each case, draw the expected ketone and show a mechanism for its formation under acid-catalyzed conditions (H3O+...

Q: Warfarin is a blood-thinning drug (anticoagulant) that is

Warfarin is a blood-thinning drug (anticoagulant) that is used to prevent heart attacks and strokes. Including stereoisomers, there are at least 40 distinct tautomer forms of warfarin. Shown below are...

Q: Draw the major product(s) expected when each of the

Draw the major product(s) expected when each of the following alkynes is treated with aqueous acid in the presence of mercuric sulfate (HgSO4):

Q: Identify the alkyne you would use to prepare each of the following

Identify the alkyne you would use to prepare each of the following ketones via acid-catalyzed hydration: