Exam 19: Condensation and Conjugate Addition Reactions of Carbonyl Compounds

In the Claisen-Schmidt condensation of 1 mole of acetone with 2 moles of 4-methylbenzaldehyde what is the relationship between the products formed?

An aldol reaction that starts with two different carbonyl compounds is called a ___.

What is the product of the reaction sequence:

What is the product of the reaction sequence:

Predict the major product from the following reaction:

What is the product of the Dieckmann condensation of this diester,

What would be the product of the following reaction?

Consider the synthesis below: What is compound X?

What would be the product of the following reaction?

Which of these is a product of the reaction of C₆H₅MgBr with

The sequence of a Michael addition followed by an intramolecular aldol condensation is known as a ___.

What would be the product,C,of the following reaction sequence?

When acetaldehyde is reacted with 3 equivalents of formaldehyde under alkaline conditions,followed by treatment with sodium borohydride,the product formed shows the following spectra data: IR: broad peak at 3326 cm^{−1 1}H NMR: singlet at 3.45 $\delta$ singlet at 4.78 $\delta$ (found to be exchangeable) Predict a reasonable structure for this product.

What is the product of the following reaction sequence? Give structural details of all significant intermediates.

Suggest a reasonable synthetic strategy to carry out the following transformation.

Suggest a reasonable synthetic strategy to carry out the following transformation.

What would be the product,C,of the following reaction sequence?

Which of these combinations is not one which would result in the formation of essentially one Claisen condensation product when one compound is added slowly to the mixture of the other and the base employed?

What is the product of the following reaction?

What is the product of the reaction sequence: