Methyl acetoacetate → HCID 54721577, 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, 31.5 mL of 1.6M n-butyl lithium in hexane, 9.0 g of 4-(1,1-dimethylethyl)benzaldehyde and 100 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. 164°-165° C.). 'H NMR (CDCl3) δ1.33 (s, 9H), 2.94 (dd, 2H), 3.59 (dd, 2H), 5.69 (dd, 1H), 7.31-7.47 (m, 4H).

Provenance & Evidence