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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 547559Generated: October 31, 2026

Hydrochloric Acid → HCID 87307140, compound

https://huagongshe.com/reaction/547559

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-Acetylbenzoic AcidHCID 11470—
ReactantHCID 178513185HCID 178513185—
SolventMethanolHCID 887—
SolventEthyl AcetateHCID 8857—
ProductHCID 87307140HCID 87307140—

Reaction Conditions

Temperature20 °C

Reaction Steps

4-Acetylbenzoic acid (L1) (1.041 g, 6.34 mmol), amino guanidine bicarbonate (1.12 g, 8.2 mmol, 1.3 eq) and c.HCl (0.7 ml, 7.0 mmol) in MeOH (30 mL) was refluxed for 1 h. The reaction mixture was diluted with EtOAc cooled to 20° C. and the resulting precipitate was filtered and recrytallized from MeOH/EtOAc to give L2 (887 mg, 55%), mp (MeOH/EtOAc)>300° C.; 1H NMR ([(CD3)2SO] δ7.97-7.89 (m, 4 H, ArH), 6.75 (br, 4 H, 2×NH2), 2.25 (s, 3 H, CH3), mass APCI+ 221.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07939546B2
Source datasetuspto-grants-2011_05
ORD IDord-e427d33225a243589546ac43ff49d5ff
Source noteuspto-grants-2011_05