L-Tartaric acid → HCID 67022530, compound

Participants

Reaction Steps

5-((2R,4aR,10bR)-9-Ethoxy-2-hydroxy-8-methoxy-1,2,3,4,4a, 10b-hexahydro-phenanthridin-6-yl)-1-methyl-1H-pyridin-2-one (38.2 mg, 0.1 mmol) are dissolved in 0.5 ml of acetone. 16.5 mg (0.11 mmol) of L-tartaric acid (dissolved in 0.5 ml of a 75:15 mixture of acetone and isopropanol) are added. The crystals are filtered off and dried to obtain 44.2 mg (83%) of the title compound (m. p.: 205° C.).

Provenance & Evidence