Reaktion #700255

Reaktionsgleichung

4'-(2-naphthalenylmethoxy)acetophenone

lithium bis(trimethylsilyl)amide

chlorotrimethylsilane

[(2-phenylethyl)thio]propanedioic acid

→

title compound

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

Lösungsmittel

THF

Reaktionsbedingungen

Vorschrift

The title compound was prepared by Method A using 4'-(2-naphthalenylmethoxy)acetophenone (1.39 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. 152-154° C.; 1H NMR (400 MHz, DMSO-d6) δ2.77 (t, 2 H), 2.98 (t, 2 H), 5.38 (s, 2 H), 6.68 (s, 1 H), 7.21 (m, 7 H), 7.54 (m, 2 H), 7.60 (d, 1 H), 7.96 (m, 4 H).

Quelle