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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 48442Generated: October 29, 2026

Triethylamine → 4-(5-Acetoxyindan-2-yl)amino-5-methylthieno[2,3-d]pyrimidine

https://huagongshe.com/reaction/48442

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant4-Chloro-5-methylthieno[2,3-d]pyrimidineHCID 290225—
Reactant5-Acetoxy-2-aminoindan hydrochlorideHCID 22719641—
SolventEthanolHCID 702—
Product4-(5-Acetoxyindan-2-yl)amino-5-methylthieno[2,3-d]pyrimidineHCID 2271958726.3%

Reaction Steps

Using 5-acetoxy-2-aminoindan hydrochloride (86 mg, 0.38 mmol), 4-chloro-5-methylthieno[2,3-d]pyrimidine (76 mg, 0.41 mmol), triethylamine (0.23 ml, 1.6 mmol), and ethanol (6 ml), a similar procedure to b) in Production Example 208 was carried out. The product obtained was purified by silica gel chromatography (hexane:ethyl acetate=2:1) to obtain the title compound (34 mg, 0.10 mmol) having the following physical properties:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06703421B1
Source datasetuspto-grants-2004_03
ORD IDord-ebc2fc73ce544b0d8cb937aaed8591d1
Source noteuspto-grants-2004_03