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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2270896Generated: October 27, 2026

2-Chloro-3-(trifluoromethyl)pyridine → 2-[4-Chloro-2-fluoro-5-(3-trifluoromethyl-2-pyridyloxy)phenyl]-6,7-dihydropyrrolo[1,2-c]pyrimidine-1,3(2H,5H)-dione

https://huagongshe.com/reaction/2270896

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloro-3-(trifluoromethyl)pyridineHCID 589833—
Reactant2-(4-Chloro-2-fluoro-5-hydroxyphenyl)-6,7-dihydropyrrolo[1,2-c]pyrimidine-1,3(2H,5H)-dioneHCID 18402911—
Product2-[4-Chloro-2-fluoro-5-(3-trifluoromethyl-2-pyridyloxy)phenyl]-6,7-dihydropyrrolo[1,2-c]pyrimidine-1,3(2H,5H)-dioneHCID 1840295490%

Reaction Steps

This was synthesized from 2-(4-chloro-2-fluoro-5-hydroxyphenyl)-6,7-dihydropyrrolo-[1,2-c]pyrimidine-1,3(2H,5H)-dione and 2-chloro-3-trifluoromethylpyridine in 90% yield under similar conditions described below for the preparation of 2-[4-chloro-2-fluoro-5-(2-pyrimidyloxy)phenyl]hexabydro-3-thioxo-1H-[1,2,4]triazolo[1,2-a]pyridazin-1-one (Example 10.3) (compound (8-29).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06333296B1
Source datasetuspto-grants-2001_12
ORD IDord-b119c2439ba042289af6118d2dc2eeb2
Source noteuspto-grants-2001_12