Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1193933Generated: October 31, 2026

Sulfuric Acid → 2-ethoxy-1-(4-bromo-2-fluoro-5-hydroxyphenyl)-4-trifluoromethyl-6(1H)-pyrimidinone

https://huagongshe.com/reaction/1193933

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
ReactantHCID 21270761HCID 21270761—
Product2-ethoxy-1-(4-bromo-2-fluoro-5-hydroxyphenyl)-4-trifluoromethyl-6(1H)-pyrimidinoneHCID 21270747—

Reaction Steps

using 2-ethoxy-1-(4-bromo-2-fluoro-5-isopropoxyphenyl)-4-trifluoromethyl-6(1H)-pyrimidinone with concentrated sulphuric acid during 2 minutes at 0° C. there is obtained 2-ethoxy-1-(4-bromo-2-fluoro-5-hydroxyphenyl)-4-trifluoromethyl-6(1H)-pyrimidinone, m.p. 160°-161° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04812164
Source datasetuspto-grants-1989_03
ORD IDord-85621e2ba43c4bc697059f0c21e0eb3e
Source noteuspto-grants-1989_03