反应详情

The product of Step B (5.0 g; 13.7 mmoles) was dissolved in 80 ml of methanol and treated with 9.1 ml of concentrated HCl. After stirring at ambient temperature for 4.5 hours, the solution was evaporated to dryness under reduced pressure to give the title compound.

1. customthe solution was evaporated to dryness under reduced pressure