反应详情

510 mg of 42 (1.32 mmol) are taken up in a 25 ml round-bottomed flask and 10 ml of a solution of hydrogen chloride in dioxane (4M) are added. The mixture is stirred for 3 hours at room temperature under argon. After evaporating off the solvent, 510 mg of amine 43 are obtained in hydrochloride form, which product is used directly in the following step.

1. customAfter evaporating off the solvent, 510 mg of amine 43
2. customare obtained in hydrochloride form, which product