Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 375537Generated: October 29, 2026

Methanol → HCID 18993051, compound

https://huagongshe.com/reaction/375537

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantO-PhenylenediamineHCID 7243—
ReactantHCID 14146341HCID 14146341—
CatalystCupric acetate monohydrateHCID 165397—
SolventWaterHCID 962—
ProductHCID 18993051HCID 1899305165.1%

Reaction Steps

A mixture of copper (II) acetate monohydrate (7.76 g), 1,2-diaminobenzene (2.10 g), 4-(4-chlorobutoxy]benzaldehyde (Step A) (5.0 g) is slowly heated to reflux in water (10 mL) and methanol (100 mL) and stirred at reflux for 1 hour. The mixture is cooled and a brown precipitate filtered off. The precipitate is suspended in methanol (100 mL) and hydrogen sulfide bubbled through for 30 minutes followed by nitrogen. The mixture is heated to reflux, cooled and filtered. All the filtrates are combined and 0.880 ammonium hydroxide added until just basic. The filtrates are diluted with an equal volume of water and the resulting pale-grey precipitate collected. The precipitate is recrystallized from methanol/water to give 3.8 g of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05486517
Source datasetuspto-grants-1996_01
ORD IDord-365a83eeb47148309f09a31af0b046da
Source noteuspto-grants-1996_01