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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1027038Generated: November 3, 2026

4-Fluoro-2-methylaniline → Ethyl 3-bromo-7-(4-fluoro-2-methylphenylamino)pyrazolo[1,5-a]pyrimidine-6-carboxylate

https://huagongshe.com/reaction/1027038

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Fluoro-2-methylanilineHCID 67982—
ReactantEthyl 3-bromo-7-chloropyrazolo[1,5-a]pyrimidine-6-carboxylateHCID 57345881—
ProductEthyl 3-bromo-7-(4-fluoro-2-methylphenylamino)pyrazolo[1,5-a]pyrimidine-6-carboxylateHCID 6754088799.9%

Reaction Steps

In the same manner as in Example 1, step 4 and using ethyl 3-bromo-7-chloropyrazolo[1,5-a]pyrimidine-6-carboxylate (3.5 g, 11.4 mmol) obtained in Example 22, step 1 and 4-fluoro-2-methylaniline (1.53 mL, 22.8 mmol), the title compound (4.48 g, 99%) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08729264B2
Source datasetuspto-grants-2014_05
ORD IDord-20186268401b48af8e3237d0911b42cf
Source noteuspto-grants-2014_05