Dimethyl Sulfate → HCID 67346107, compound

Participants

Reaction Steps

According to the same manner as that of Example a-25 except that 0.78 g of 4-hydroxy-3-[3-[3-(aminocarbonylmethoxy)phenyl]-1-oxo-2-propenyl]-1,6-dimethyl-2(1H)-pyridinone was used in place of 4-hydroxy-3-[3-[3-(2-hydroxyethoxy)phenyl]-1-oxo-2-propenyl]-1,6-dimethyl-2(1H)-pyridinone, and 0.5 ml of dimethyl sulfate was used in place of iodomethane, 0.18 g of 4-methoxy-3-[3-[3-(aminocarbonylmethoxy)phenyl]-1-oxo-2-propenyl]-1,6-dimethyl-2(1H)-pyridinone [Compound No. (68a)] was obtained as a yellow crystal.

Provenance & Evidence