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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1775614Generated: November 2, 2026

3,4-Dimethoxyaniline → 3-(3,4-Dimethoxyphenyl)-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one

https://huagongshe.com/reaction/1775614

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-DimethoxyanilineHCID 22770—
ReactantEthyl orthoformateHCID 31214—
ReactantMethyl 3-amino-4-phenylthiophene-2-carboxylateHCID 2759782—
Reactant3,7-Diphenylthieno[3,2-d]pyrimidin-4(3H)-oneHCID 78324865—
SolventAcetic AcidHCID 176—
Product3-(3,4-Dimethoxyphenyl)-7-phenylthieno[3,2-d]pyrimidin-4(3H)-oneHCID 7832017159%

Reaction Steps

In the same manner as the synthesis of Compound 1, methyl 3-amino-4-phenylthiophene-2-carboxylate (52 mg, 0.22 mmol), triethyl orthoformate (0.45 ml), 3,4-dimethoxyaniline (62.8 mg, 0.41 mmol), and acetic acid (0.06 ml) were used to give 48 mg (0.13 mmol, 59% yield) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09260448B2
Source datasetuspto-grants-2016_02
ORD IDord-5dad82a3f1904a85839b6ac9688b96d7
Source noteuspto-grants-2016_02