HuagongsheHuagongshe Chemistry Print Report · For research reference only

HRID 1937390Generated: November 2, 2026

1H-Indazol-5-amine → HCID 22460831, compound

https://huagongshe.com/reaction/1937390

Reaction equation

Participants

Role	Name	HCID	Charge
Reactant	1H-Indazol-5-amine	HCID 88012	—
Reactant	4-Chloropyrido(3,4-d)pyrimidine	HCID 12271634	—
Product	HCID 22460831	HCID 22460831	96%

Reaction Steps

This product was prepared in 96% yield from 5-aminoindazole (1.1 eq.) and 4-chloropyrido[3,4-d]pyrimidine (1 eq.). MP 258° C.; LC-MS: 263 (MH+).

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US06395733B1
Source dataset	uspto-grants-2002_05
ORD ID	ord-2cae2fbf43b24bab92e6684c228be27e
Source note	uspto-grants-2002_05