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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1773866Generated: November 2, 2026

Oxalic Acid → 2-ethyl-4-(1-methylpiperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulene oxalate

https://huagongshe.com/reaction/1773866

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalic AcidHCID 971—
Reactant2-ethyl-4-(1-methylpiperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azuleneHCID 86703952—
SolventAcetoneHCID 180—
Product2-ethyl-4-(1-methylpiperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulene oxalateHCID 86703953—

Reaction Steps

2-ethyl-4-(1-methyl piperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulene is dissolved in acetone (1.7 mL) and oxalic acid (1 equivalent) is added. Acetone is removed under reduced pressure to afford 2-ethyl-4-(1-methylpiperidin-4-yloxy)-9,10-dihydro-4H-3,10a-diaza-benzo[f]azulene oxalate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09255101B2
Source datasetuspto-grants-2016_02
ORD IDord-699f4a6f710f42cc8bc4d0bff8f6d680
Source noteuspto-grants-2016_02