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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1775615Generated: October 28, 2026

Ethyl orthoformate → HCID 78320172, compound

https://huagongshe.com/reaction/1775615

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl orthoformateHCID 31214—
Reactant3,5-DimethoxyanilineHCID 66301—
ReactantMethyl 3-amino-4-phenylthiophene-2-carboxylateHCID 2759782—
Reactant3,7-Diphenylthieno[3,2-d]pyrimidin-4(3H)-oneHCID 78324865—
SolventAcetic AcidHCID 176—
ProductHCID 78320172HCID 7832017268%

Reaction Steps

In the same manner as the synthesis of Compound 1, methyl 3-amino-4-phenylthiophene-2-carboxylate (72.3 mg, 0.31 mmol), triethyl orthoformate (0.62 ml), 3,5-dimethoxyaniline (88.8 mg, 0.58 mmol), and acetic acid (0.07 ml) were used to give 75.7 mg (0.21 mmol, 68% yield) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09260448B2
Source datasetuspto-grants-2016_02
ORD IDord-cde1c25e5d364aea8f90c33779065f75
Source noteuspto-grants-2016_02