Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 60026Generated: October 29, 2026

N-[(S)-2-Amino-2-(4-methyl-3-trifluoromethyl-phenyl)-ethyl]-N-methyl-4-nitro-benzenesulfonamide → 4-[(S)-2-Methylamino-1-(4-methyl-3-trifluoromethyl-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide

https://huagongshe.com/reaction/60026

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-[(S)-2-Amino-2-(4-methyl-3-trifluoromethyl-phenyl)-ethyl]-N-methyl-4-nitro-benzenesulfonamideHCID 90190460—
Reactant4-oxo-1H-pyrido[3,2-d]pyrimidine-8-carboxamideHCID 178513684—
Product4-[(S)-2-Methylamino-1-(4-methyl-3-trifluoromethyl-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amideHCID 76073357—

Reaction Steps

Compound 76 was prepared following general synthetic scheme 11 wherein 4-hydroxypyrido[3,2-d]pyrimidine-8-carboxamide (G) was reacted with N—[(S)-2-Amino-2-(4-methyl-3-trifluoromethyl-phenyl)-ethyl]-N-methyl-4-nitro-benzenesulfonamide. LC-MS [405 (M+1)]; 1H NMR (400 MHz, DMSO-d6) d 9.95 (d, J=3.4 Hz, 1H), 9.21 (d, J=8.5 Hz, 1H), 9.00 (d, J=4.6 Hz, 1H), 8.54 (s, 1H), 8.38 (d, J=4.5 Hz, 1H), 8.16 (d, J=3.5 Hz, 1H), 7.80 (s, 1H), 7.63 (d, J=7.9 Hz, 1H), 7.38 (d, J=8.1 Hz, 1H), 5.51 (s, 1H), 3.15 (dd, J=12.4, 8.4 Hz, 1H), 2.92 (dd, J=12.3, 5.5 Hz, 1H), 2.40 (s, 4H), 2.30 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09440968B2
Source datasetuspto-grants-2016_09
ORD IDord-05b3b8fe5e9a46e7a4c0107f90c875e5
Source noteuspto-grants-2016_09