Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 337362Generated: October 26, 2026

3-Methyl-2,4-pentanedione → 3-hydroxy-4-(3,4,5-trimethyl-1H-pyrazol-1-yl)phenyl acetate

https://huagongshe.com/reaction/337362

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Methyl-2,4-pentanedioneHCID 69949—
Reactant4-Amino-3-hydroxyphenyl acetateHCID 19770515—
Reactant4-Hydrazinyl-3-hydroxyphenyl acetate 4-methylbenzenesulfonateHCID 86703264—
Product3-hydroxy-4-(3,4,5-trimethyl-1H-pyrazol-1-yl)phenyl acetateHCID 8670326752.2%

Reaction Steps

230 mg of the title compound was prepared in a manner similar to Example 54b) by using 4-hydrazinyl-3-hydroxyphenyl acetate 4-methylbenzenesulfonate (0.6 g), which was prepared from 4-amino-3-hydroxyphenyl acetate (1.0 g) in a manner similar to Example 54a), and 3-methylpentane-2,4-dione (1.0 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889727B2
Source datasetuspto-grants-2014_11
ORD IDord-5ca467def39e42dd87202fabc8caaa62
Source noteuspto-grants-2014_11