Methyl acetoacetate → HCID 54721671, compound

Participants

Reaction Conditions

Reaction Steps

The title compound was prepared as described in General Method 1 using 5.0 mL of methyl acetoacetate, 2.0 g of NaH 60% dispersion in oil, 25 mL of 2.0M n-butyl lithium in hexane, 6.5 mL of 3-chlorobenzaldehyde and 150 mL of tetrahydrofuran. After addition of the aldehyde, the reaction was stirred for 15 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. 122°-124° C.). 'H NMR (CDCl3) δ2.83 (dd, 1H), 2.96 (dd, 1H), 3.60 (dd, 2H), 5.68 (dd, 1H), 7.25-7.42 (m, 4H).

Provenance & Evidence