Sodium ethoxide → HCID 58118486, compound

Participants

Reaction Steps

930 mg (2.9 mmol) 8-bromo-2,4-dichloro-5H-pyrimido[5,4-b]indole was suspended in 20 ml ethanol and mixed with 592 mg (8.7 mmol) sodium ethylate. The mixture was refluxed for 8 h. Having cooled down to room temperature, the solvent was concentrated and water was added. The resulting precipitate was sucked off and washed with water. 920 mg (97%) 8-bromo-2-chloro-4-ethoxy-5H-pyrimido[5,4-b]indole was obtained. ESI-MS [m/z]: 324, 326 [M−H]−

Provenance & Evidence