Water → 6-Hydroxy-2-[3-hydroxymethyl-4-[2-(1-pyrrolidinyl)ethoxy]phenyl]benzo[b]thiophen-3-yl 3-Methoxy-4-(4-morpholinylmethyl)phenyl Ketone

Participants

Reaction Steps

The (30.8 mg, 0.0381 mmol) 6-benzyloxy-2-[3-t-butyldimethylsilyloxymethyl-4-[2-(1-pyrrolidinyl)ethoxy]phenyl]benzo[b]thiophen-3-yl 3-methoxy-4-(1-pyrrolidinylmethyl)phenyl ketone (Part C) was dissolved in 0.5 mL of 1N tetrabutylammonium fluoride in THF. The solution was stirred at room temperature for 1 h. To the reaction mixture was added 1.0 mL of water and diluted with 15 mL of EtOAc. The layers were separated and the aqueous layer was extracted (1×10 mL) with EtOAc. The combined organic layers were dried over MgSO4 and concentrated under reduced pressure. Purification by flash chromatography (silica gel, 80:17:3 THF-Hexanes-Et3N) afforded 5.7 mg (0.0082 mmol, 22%) of a yellow oil.

Provenance & Evidence