Hydrochloric Acid → HCID 57821240, compound

Participants

Reaction Conditions

Reaction Steps

92 Milligrams of butyl 2-(3,4-dichlorobenzyl)-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-acetate as synthesized in Production Example 25 was suspended in 1 mL of water and to which 0.63 mL of 1N aqueous sodium hydroxide solution was added, followed by an hour's stirring at about 70° C. Then the reaction mixture was neutralized with 0.63 mL of 1N hydrochloric acid, and the resulting precipitate was recovered by filtration and dried to provide 87 mg (quantitative) of the title compound.

Provenance & Evidence