Methyl acetoacetate → 4-Hydroxy-6-[2-(4-hydroxy-phenyl)-ethyl]-6-phenyl-5,6-dihydro-pyran-2-one

Participants

Reaction Steps

The title compound was prepared as described in General Method 6 using 4.3 mL (40 mmol) of methyl acetoacetate, 1.64 g (41 mmol) of 60% sodium hydride, 25.6 mL (41 mmol) of 1.6 M n-butyllithium, 6.81 g (20 mmol) of 3-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-1-phenyl-propan-1-one (from Example P) and 200 mL of THF. The product was carried on crude to the next step.

Provenance & Evidence