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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 133144Generated: October 26, 2026

7-fluoro-1H-indazol-3-amine → [2-(2-Chloro-phenyl)-pyrido[2,3-d]pyrimidin-4-yl]-(7-fluoro-1H-indazol-3-yl)-amine

https://huagongshe.com/reaction/133144

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-fluoro-1H-indazol-3-amineHCID 817908—
Reactant4-Chloro-2-(2-chloro-phenyl)-pyrido(2,3-d]pyrimidineHCID 21939244—
Product[2-(2-Chloro-phenyl)-pyrido[2,3-d]pyrimidin-4-yl]-(7-fluoro-1H-indazol-3-yl)-amineHCID 21939265—

Reaction Steps

Prepared from 4-Chloro-2-(2-chloro-phenyl)-pyrido[2,3-d]pyrimidine (100 mg, 0.36 mmol) and 7-Fluoro-1H-indazol-3-yl-amine (108 mg, 0.72 mmol). Purification by preparative HPTC afforded the title compound as a yellow, di-TFA salt (93 mg, 46% yield). HPLC-Method A, Rt 3.04 min; 1H NMR (DMSO, 500 MHz): δ 13.67 (1H, s), 11.40–11.25 (1H, bs), 9.35–9.25 (2H, m), 7.95 (1H, m), 7.80–7.47 (5H, m), 7.35(1H, m), 7.15 (1H, m); MS (m/z), MH+391.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07390815B2
Source datasetuspto-grants-2008_06
ORD IDord-3a20ce8067d843dabcfb6db55a2b2f62
Source noteuspto-grants-2008_06