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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2237591Generated: October 30, 2026

Fumaric Acid → HCID 67022769, compound

https://huagongshe.com/reaction/2237591

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFumaric AcidHCID 444972—
ReactantHCID 11853253HCID 11853253—
SolventAcetoneHCID 180—
SolventIsopropanolHCID 3776—
ProductHCID 67022769HCID 6702276951.4%

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. 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 25.6 mg (51%) of the title compound (m. p.: 156° C.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718668B2
Source datasetuspto-grants-2010_05
ORD IDord-bad8d4dd250a4d7d8d972f2ad6528b33
Source noteuspto-grants-2010_05