Diethyl Malonate → Dimethyl malonate

Participants

Reaction Steps

The target product was obtained in the same manner as in Production Example 1, except that 3-pentanone was used instead of benzaldehyde, and diethyl malonate was used instead of dimethyl malonate (yield: 29%). The 1H-NMR spectrum of the reaction product obtained using a nuclear magnetic resonance spectrometer was analyzed, and it was found that the chemical shift values were 1.09 (t, 6H), 2.27 (t, 6H), 2.36 (q, 4H), 4.20 (q, 4H). It was thus confirmed that the product was diethyl(1-ethylpropylidene)malonate. The purity of the resulting diethyl(1-ethylpropylidene)malonate determined by liquid chromatography was 100%.

Provenance & Evidence