Acetyl chloride → N-{4-[2-(1-benzothien-3-ylmethyl)-7-isobutyl-5-methyl-4,6-dioxo-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-d]pyrimidin-3-yl]-5-methyl-1,3-thiazol-2-yl}acetamide

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Reaction Steps

3-(2-amino-5-methyl-1,3-thiazol-4-yl)-2-(1-benzothien-3-ylmethyl)-7-isobutyl-5-methyl-2H-pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione hydrochloride was reacted with excess acetyl chloride using triethylamine as a base. The resulting bis acetylated product is treated with potassium carbonate to give the title compound. Mass: 523.22 (M+H).

Provenance & Evidence