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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1380720Generated: October 26, 2026

4,5-Diaminopyrimidine → 2-(2'-Methoxy-4'-chlorosulfonyl-phenyl)-purine hydrochloride

https://huagongshe.com/reaction/1380720

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4,5-DiaminopyrimidineHCID 83703—
Reactant4-(Chlorosulfonyl)-2-methoxybenzoic acidHCID 20184580—
Product2-(2'-Methoxy-4'-chlorosulfonyl-phenyl)-purine hydrochlorideHCID 20184529—

Reaction Steps

Prepared analogously to Example C from 2.5 gm of 2-methoxy-4-chlorosulfonyl benzoic acid and 2.4 gm of 4,5-diamino-pyrimidine (crystalline product obtained from dihydorchloride and 1 mol of common salt) by refluxing for eight hours. The solid crude product was processed further without any purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04582837
Source datasetuspto-grants-1986_04
ORD IDord-6d842c7706d44ef9bc1746be111d8ca0
Source noteuspto-grants-1986_04