Methyl acetoacetate → HCID 54721561, compound

Participants

Reaction Conditions

Reaction Steps

The title compound was prepared as described in General Method 1 using 2.5 mL of methyl acetoacetate, 1.0 g of NaH 60% dispersion in oil, 12.5 mL of 2.0M n-butyl lithium in hexane, 5.1 g of 3,5-dichlorobenzaldehyde and 75 mL of tetrahydrofuran. After addition of the aldehyde, the reaction was stirred for 10 minutes at 0° C. then allowed to warm to room temperature overnight. The crude product was triturated from diethyl ether to afford a solid (m.p. 135°-137° C.). 1H NMR (CDCl3) δ2.78 (dd, 1H), 2.97 (dd, 1H), 3.63 (dd, 2H), 5.64 (dd, 1H), 7.31-7.40 (m, 3H).

Provenance & Evidence