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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1806547Generated: October 31, 2026

Phenethylamine → 3-{8-(2,6-difluorophenyl)-7-oxo-2-[(2,2,6,6-tetramethyl-4-piperidinyl)amino]-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl}-4-methyl-N-(2-phenylethyl)benzamide

https://huagongshe.com/reaction/1806547

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenethylamineHCID 1001—
Reactant4-Amino-2,2,6,6-tetramethylpiperidineHCID 37524—
Reactant3-[8-(2,6-Difluorophenyl)-2-(methylthio)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-4-methylbenzoic acidHCID 57530530—
Product3-{8-(2,6-difluorophenyl)-7-oxo-2-[(2,2,6,6-tetramethyl-4-piperidinyl)amino]-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl}-4-methyl-N-(2-phenylethyl)benzamideHCID 11947938—

Reaction Steps

The title compound is prepared from 3-[8-(2,6-difluorophenyl)-2-(methylthio)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-4-methylbenzoic acid by following the procedures in Example 19 using 2-phenylethanamine for the amide formation and 2,2,6,6-tetramethyl-4-piperidinamine for the displacement reaction: LC-MS m/z 651 (M+H)+, 1.87 min (ret time).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08354416B2
Source datasetuspto-grants-2013_01
ORD IDord-0836e2b63e4a4c72a1baf8078acb12d9
Source noteuspto-grants-2013_01