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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 988071Generated: October 30, 2026

Hydrochloric Acid → Acridine

https://huagongshe.com/reaction/988071

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantIsatinHCID 7054—
SolventWaterHCID 962—
SolventPotassium HydroxideHCID 14797—
ProductAcridineHCID 9215—

Reaction Steps

The isatin product was refluxed in 110 mL of 10% KOH solution in water over night. The dark green mixture was cooled and acidified with 400 mL of 1:1 ice/5 M HCl. The solid was washed with water and air-dried yielding the acridine acid. 1H NMR (DMSO-d6) δ7.81-7.94 (m, 4H), 8.31-8.36 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06635437B2
Source datasetuspto-grants-2003_10
ORD IDord-8f494194be8244b4b98a9c87343de209
Source noteuspto-grants-2003_10