Reaktion #2174267

Reaktionsgleichung

(±) 2-amino-6-propylamino-4,5,6,7-tetrahydrobenzothiazole

methanesulfonic acid

→

crystals

(±)-2-amino-6-propylamino-4,5,6,7-tetrahydrobenzothiazole monomethanesulfonate

Lösungsmittel

isopropanol

Reaktionsbedingungen

Aufarbeitung

1. 1
   FiltrationThe formed precipitate was filtered off
2. 2
   Temperaturafter cooling
3. 3
   Sonstigedried

Vorschrift

11.0 g of (±) 2-amino-6-propylamino-4,5,6,7-tetrahydrobenzothiazole was dissolved in 180 mL of hot isopropanol and 3.8 mL of methanesulfonic acid was added. The formed precipitate was filtered off after cooling and dried to give 10.2 g of crystals with m.p. 227-237° C.

Quelle