Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 48417Generated: October 26, 2026

Triethylamine → 4-(2-Indanylamino)-5,6-dimethylthieno[2,3-d]pyrimidine

https://huagongshe.com/reaction/48417

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantPhosphorus oxychlorideHCID 24813—
Reactant2-AminoindaneHCID 76310—
ReactantHCID 178435036HCID 178435036—
SolventEthanolHCID 702—
Product4-(2-Indanylamino)-5,6-dimethylthieno[2,3-d]pyrimidineHCID 2271961464%

Reaction Steps

Using 4-hydroxy-5,6-dimethylthieno[2,3-d]pyrimidine (180 mg, 1.0 mmol), phosphorus oxychloride (1.0 ml), 2-aminoindan (270 mg, 2.0 mmol), triethylamine (0.84 ml, 6.0 mmol) and dry ethanol (5 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 (190 mg, 0.64 mmol) having the following physical properties:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06703421B1
Source datasetuspto-grants-2004_03
ORD IDord-51395a05444f46d9868bff3dc9b97a77
Source noteuspto-grants-2004_03