(2R)-Tetrahydrofuran-2-ylmethyl trifluoromethanesulphonate → tert-Butyl 2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-[(2R)-tetrahydrofuran-2-yl]propanoate

Participants

Reaction Steps

450 mg (purity 94%, 1.1 mmol) of tert-butyl [4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]acetate in the presence of 1.35 ml (1.35 mmol, 1.2 eq.) of bis(trimethylsilyl)lithium amide (1M in THF) and 396 mg (1.7 mmol, 1.5 eq.) of (2R)-tetrahydrofuran-2-ylmethyl trifluoromethanesulphonate were reacted according to General Method 7B. Yield: 625 mg (purity 76%, 92% of theory)

Provenance & Evidence