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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2370944Generated: October 30, 2026

2,4-Dichloro-5-fluoropyrimidine → HCID 86641891, compound

https://huagongshe.com/reaction/2370944

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-Dichloro-5-fluoropyrimidineHCID 250705—
Reactant4-Amino-1,2,2,6,6-pentamethylpiperidineHCID 693792—
SolventMethanolHCID 887—
ProductHCID 86641891HCID 86641891108.9%

Reaction Steps

4-Amino-1,2,2,6,6-pentamethylpiperidine (1 g) and 2,6-dichloro-5-fluoropyrimidine (1.5 g) were dissolved in methanol (10 mL). The reaction solution was stirred at room temperature overnight. The reaction solution was evaporated and crystallized from ethyl acetate and hexanes to give 2-chloro-5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-4-pyrimidineamine HCl salt (1.65 g, 93%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08710223B2
Source datasetuspto-grants-2014_04
ORD IDord-346cef221f034cce9885f59b7ce8bcc7
Source noteuspto-grants-2014_04