VERFAHREN ZUR EXTRAKTION VON MORPHIN AUS MOHNKAPSELN

摘要

In the prodn. of a poppy straw concentrate, slit or unslit poppy capsules are extracted with CH2Cl2 contg. 0.5-5% 1-4C alcohol and 0.1-1% base. Morphine can be isolated from the extract in a simple manner. The extract is obtd. in very good yield. In an example, 1 kg. finely ground, unslit poppy capsules (0.33% morphine) is stirred 2 hrs. at room temp. with a mixture of 7 l. CH2Cl2, 70 ml. isopropanol and 20 ml. conc. aq. NH3. The extraction is repeated a further twice and the extracts evaporated to give 23.9 g. residue contg. 3.08 g. morphine.