What is the product of cyclohexanone and cinnamaldehyde?

1 Answer
Ernest Z.
Nov 23, 2015

The product is #(2E,6E)#-2,6-bis(#(E)#-3-phenylallylidene)cyclohexanone.

Explanation:

The reaction is a crossed-aldol condensation.

The cinnamaldehyde has no acidic β-hydrogen atoms.

The cyclohexanone has acidic β-hydrogens at #"C-2"# and #"C-6"#, so it can undergo condensation at each of these positions.

The structure of the product is

Aldol
(from orgo.curvedarrow.com)

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