反应详情

260 mg of 39 (0.64 mmol) are taken up in a 25 ml round-bottomed flask and 4 ml of a solution of hydrogen chloride in dioxane (4M) are added. The mixture is stirred for 4 hours at room temperature under argon. After evaporating off the solvent, 280 mg of amine 40 are obtained in hydrochloride form, which product is used directly in the following step.

1. customAfter evaporating off the solvent, 280 mg of amine 40
2. customare obtained in hydrochloride form, which product