Chlorotrimethylsilane → 4-Hydroxy-3-[(2-phenylethyl)thio]-6-[3-(phenylmethoxy)phenyl]-2H-pyran-2-one

Participants

Reaction Steps

The title compound was prepared by Method A using 3'-benzyloxyacetophenone (1.14 g, 5.06 mmol), lithium bis(trimethylsilyl) amide (0.930 g, 5.56 mmol), chlorotrimethylsilane (0.705 mL, 5.56 mmol), THF (57 mL), and diethyl ester of [(2-phenylethyl)thio]propanedioic acid (1.00 g, 3.37 mmol). m.p. 126-127° C.; 1H NMR (400 MHz, DMSO-d6) δ2.78 (t, 2 H), 3.01 (t, 2 H), 5.20 (s, 2 H), 6.81 (s, 1 H), 7.22 (m, 6 H), 7.41 (m, 7 H).

Provenance & Evidence