反应详情

300 mg (0.65 mmol) of the amine obtained in Example 2, Step 2, are dissolved in 10 mL of acetonitrile. To the resulting solution there is added 0.65 mL (1.3 mmol, 2 equivalents) of 2M hydrochloric acid solution in diethyl ether. Stirring is carried out at 25° C. for 15 minutes, and then evaporation to dryness. The product is crystallised from 20 mL of acetone. The solid is filtered off and dried. 230 mg of white crystals are obtained.

1. customevaporation to dryness
2. customThe product is crystallised from 20 mL of acetone
3. filtrationThe solid is filtered off
4. customdried