Activation of carbonyl groups by iminium ion formation

The most important classes of carbonyl group reactions are those which generate an a-carbanion and include the retroaldol reaction, enolization reactions, and a-de- 

As noted above, the dependence of reaction rates on the concentration of 

pH rate profile for the conversion of I to II catalyzed by cyanomethylamine. The individual contributing terms are also shown [18], 

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