Chapter 19, Problem 56P

Allowing acetone to react with 2 molar equivalents of benzaldehyde in the presence of KOH in ethanol leads to the formation of compound X. The ${}^{13}C$ NMR spectrum of X is given in Fig. 19.1. Propose a structure for compound X.

FIGURE 19.1 The broadband proton-decoupled ${}^{13}C$ NMR spectrum of compound X, problem