반응 #85204

반응 방정식

tert-butyl {4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}acetate

(2R)-tetrahydro-2H-pyran-2-ylmethyl trifluoromethanesulphonate

→

tert-Butyl 2-{4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}-3-[(2R)-tetrahydro-2H-pyran-2-yl]propanoate

반응 조건

실험 절차

333 mg (0.80 mmol) of tert-butyl {4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}acetate in the presence of 0.96 ml (0.96 mmol, 1.2 eq.) of bis(trimethylsilyl)lithium amide (1M in THF) and 426 mg (purity 70%, 1.20 mmol, 1.5 eq.) of (2R)-tetrahydro-2H-pyran-2-ylmethyl trifluoromethanesulphonate were reacted according to General Method 7B. Yield: 85 mg (purity 94%, 19% of theory)

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