反应详情

温度

100 °C

A mixture of 3,6-dichloro-4-methylpyridazine (1.35 g, 8.28 mmol) and 2,4-dimethoxybenzylamine (11.1 g, 66.3 mmol) in i-PrOH (5 ml) was heated in a microwave at 100° C. for 50 min. (30+20 min.). The mixture was concentrated and the residue was subjected to ISCO (120 g column, hexane 5 min., 0-55% EtOAc in hexane over 90 min. to give (6-chloro-5-methyl-pyridazin-3-yl)-(2,4-dimethoxy-benzyl)-amine (680 mg) plus the 6-methyl analog (320 mg).

1. concentrationThe mixture was concentrated
2. custom120 g column, hexane 5 min., 0-55% EtOAc in hexane
3. customover 90 min.