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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 59995Generated: October 29, 2026

HCID 118365762, compound → 4-[(S)-2-Methylamino-1-(4-trifluoromethyl-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide

https://huagongshe.com/reaction/59995

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 118365762HCID 118365762—
Reactant4-oxo-1H-pyrido[3,2-d]pyrimidine-8-carboxamideHCID 178513684—
Product4-[(S)-2-Methylamino-1-(4-trifluoromethyl-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amideHCID 76073103—

Reaction Steps

Compound 38 was prepared following general synthesis scheme 8 wherein 4-hydroxypyrido[3,2-d]pyrimidine-8-carboxamide (G) was reacted with N—[(S)-2-Amino-2-(4-trifluoromethyl-phenyl)-ethyl]-N-methyl-4-nitro-benzenesulfonamide hydrochloride to give the title compound as a white solid. LC/MS [391 (M+H)]; 1H NMR (500 MHz, DMSO-d6) δ 9.93 (s, 1H), 9.21 (s, 1H), 9.00 (d, J=4.4 Hz, 1H), 8.52 (s, 1H), 8.38 (d, J=4.4 Hz, 1H), 8.17 (s, 1H), 7.68 (s, 4H), 5.53 (s, 1H), 3.20-3.07 (m, 1H), 2.94 (dd, J=12.2, 4.9 Hz, 1H), 2.30 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09440968B2
Source datasetuspto-grants-2016_09
ORD IDord-0a1459558a4f4f11a6be0da33e01bc8f
Source noteuspto-grants-2016_09