Potassium Phosphate, Tribasic → 6-(1,4-Diazabicyclo[3.2.2]nonan-4-yl)-3-methylthieno[2,3-d]pyrimidin-4(3H)-one

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

A mixture of 6-bromo-3-methylthieno[2,3-d]pyrimidin-4(3H)-one (70 mg, 0.28 mmol), copper(I) iodide (13.6 mg, 0.071 mmol), L-proline (16.4 mg, 0.143 mmol), 1,4-diazabicyclo[3.2.2]nonane (54.1 mg, 0.428 mmol) and potassium phosphate (132 mg, 0.571 mmol) in DMSO (1 mL) was heated at 90° C. in a sealed vessel for 3 days. The reaction was acidified with acetic acid, diluted with methanol and purified on a scx cartridge (1 g), further purified by acid prep HPLC, passed through a scx cartridge (500 mg) and evaporated to dryness to afford 6-(1,4-Diazabicyclo[3.2.2]nonan-4-yl)-3-methylthieno[2,3-d]pyrimidin-4(3H)-one (1.8 mg, 0.006 mmol).

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