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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1159628Generated: October 29, 2026

4-Amino-3-hydroxy-2,2-dimethyl-chroman-6-carbonitrile → HCID 178431181, compound

https://huagongshe.com/reaction/1159628

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Amino-3-hydroxy-2,2-dimethyl-chroman-6-carbonitrileHCID 3390513—
ReactantHCID 178494247HCID 178494247—
SolventTolueneHCID 1140—
ProductHCID 178431181HCID 178431181—

Reaction Steps

4-Amino-3-hydroxy-2,2-dimethyl-chroman-6-carbonitrile (5 mmoL) and 6-chloro-2-methoxy-1H-quinazolin-4-one (5 mmoL) in toluene (15 mL) in a sealed tube were heated at 150° C. for 4 hrs. The solvent was removed and the residue was purified by silica gel chromatography with hexanes and ethyl acetate to yield the title compound as white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07812183B2
Source datasetuspto-grants-2010_10
ORD IDord-a7e9c32e61a146a18c762fb6a853bbf1
Source noteuspto-grants-2010_10