Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 397342Generated: 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/397342

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-ylamine (108 mg, 0.72 mmol). Purification by preparative HPLC 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): δ13.67 (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 numberUS06610677B2
Source datasetuspto-grants-2003_08
ORD IDord-e53ef748f3044859bda05d62d092acd0
Source noteuspto-grants-2003_08