State reaction with a secondary base as well as with diethyl

Reference no: EM13511433

so supposedly, in a knoevenagel condensation, if the catalyst is a primary or secondary base, an iminium salt is supposed to be formed.

however, reaction with a secondary base (piperidine) as well as with diethyl malonate, and i think that this reaction proceeds as if it was done with a tertiary base

i.e. piperidine takes a proton from diethyl malonate, and diethyl malonate(-) attacks the carbonyl, and it proceeds from there. can someone clarify what's going on?

Reference no: EM13511433

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