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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2250099Generated: October 25, 2026

Triethylamine → [8-(2,6-Difluoro-phenyl)-4-(4-fluoro-2-methyl-phenyl)-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-2-ylamino]-acetonitrile

https://huagongshe.com/reaction/2250099

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantAminoacetonitrile sulfate (1:1)HCID 196971—
Reactant8-(2,6-difluoro-phenyl)-4-(4-fluoro-2-methyl-phenyl)-2-methanesulfonyl-8H-pyrido[2,3-d]pyrimidin-7-oneHCID 59639554—
Product[8-(2,6-Difluoro-phenyl)-4-(4-fluoro-2-methyl-phenyl)-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-2-ylamino]-acetonitrileHCID 8659469797.5%

Reaction Steps

Following the general procedure outlined in Example 195, the product of Example 48 (500 mg, 1.12 mmol), aminoacetonitrile hydrogen sulfate (1.16 g, 5.6 mmol) and triethylamine (0.78 mL, 5.6 mmol) were reacted at 65° for 2 h to give the crude material 460 mg. LC-MS: 421.8 (MH+, m/z), 2.08 (Rt, min).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07314934B2
Source datasetuspto-grants-2008_01
ORD IDord-9cd52a94087b497a84ccd45ef8dc20cf
Source noteuspto-grants-2008_01