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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1687645Generated: October 26, 2026

N-methyl-2-pyrrolidone → 2-(2,5-Dichloro-pyrimidin-4-ylamino)-3,5-difluoro-N-methyl-benzamide

https://huagongshe.com/reaction/1687645

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-methyl-2-pyrrolidoneHCID 13387—
ReactantDiisopropylethylamineHCID 81531—
Reactant2,4,5-TrichloropyrimidineHCID 237259—
Reactant2-Amino-3,5-difluoro-N-methyl-benzamideHCID 67264632—
Product2-(2,5-Dichloro-pyrimidin-4-ylamino)-3,5-difluoro-N-methyl-benzamideHCID 86633998—

Reaction Conditions

Temperature100 °C

Reaction Steps

To a solution of 2-Amino-3,5-difluoro-N-methyl-benzamide (1.099 g, 0.006 mol) and NMP (6 mL, 0.06 mol) was added DIEA (1.23 mL, 7.8 mmol) followed by 2,4,5-Trichloro-pyrimidine (0.812 mL, 7.1 mmol) and the reaction mixture was heated at 100° C. for 16 h. Title compound isolated as an off-white solid (1.10 g, 56%), MP=220-221, HPLC purity=95%, LCMS=333.38 (M+H), 1H-NMR (CDCl3, 400 MHz) δ 8.94 (s, 1H), 8.22 (s, 1H), 7.12-7.06 (m, 2H), 6.17 (s, 1H), 2.99 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08148391B2
Source datasetuspto-grants-2012_04
ORD IDord-d703032de2034bd282f0e089482cee7e
Source noteuspto-grants-2012_04