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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 458533Generated: October 29, 2026

Toluene → 5,7-dimethyl-2-oxo-3(2H)-Benzoxazoleacetic acid

https://huagongshe.com/reaction/458533

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTolueneHCID 1140—
Reactanttert-Butyl (5,7-dimethyl-2-oxo-1,3-benzoxazol-3(2H)-yl)acetateHCID 57436180—
SolventDichloromethaneHCID 6344—
SolventTrifluoroacetic acidHCID 6422—
Product5,7-dimethyl-2-oxo-3(2H)-Benzoxazoleacetic acidHCID 18442655—

Reaction Steps

A solution of the tert-butyl (5,7-dimethyl-2-oxo-1,3-benzoxazol-3(2H)-yl)acetate from Step B in CH2Cl2 (0.7 mL) and CF3CO2H (0.3 mL) was stood at ambient temperature for 2 h. Toluene (5 mL) was added and the mixture was conc. in vacuo to give the title compound as a dark solid. MS: m/z=222 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07192954B2
Source datasetuspto-grants-2007_03
ORD IDord-2b036845640b4ecfbfba97e9f877fe11
Source noteuspto-grants-2007_03