Fumaric Acid → HCID 67022702, compound

Participants

Reaction Steps

(2R,4aR,10bR)-6-(4,6-Dimethoxy-pyridin-3-yl)-9-ethoxy-8-methoxy-1,2,3,4,4a,10b-hexahydro-phenanthridin-2-ol (41.2 mg, 0.1 mmol) are dissolved in 0.5 ml of acetone. 12.8 mg (0.11 mmol) of fumaric acid (dissolved in 0.5 ml of a 82:18 mixture of acetone and isopropanol) are added. The crystals are filtered off and dried to obtain 21.1 mg (40%) of the title compound (m.p.: 194° C.).

Provenance & Evidence