301308-73-6

Upstream product

• 15854-08-7 ethyl 2-amino-4-(4-methylphenyl)thiophene-3-carboxylate 
• 4637-24-5 N,N-dimethyl-formamide dimethyl acetal 

Downstream Products

• 937959-57-4 3-(4-methoxybenzyl)-5-p-tolylthieno[2,3-d]pyrimidin-4(3H)-one 
• 901661-39-0 3-(3-pyridylmethyl)-5-p-tolylthieno[2,3-d]pyrimidin-4(3H)-one 
• 898518-80-4 [3-(tetrahydrofuran-2-yl)methyl]-5-p-tolylthieno[2,3-d]pyrimidin-4(3H)-one 

Relevant academic research and scientific papers

Facile approach to the synthesis of substituted thieno[2,3-d]pyrimidin-4- ones

Condensation of Gewald's thiophenes substituted with a dimethylaminomethyleneamino group at position 2 with primary amines yields 5/6-aryl-thieno[2,3-d] pyrimidin-4-ones with variable substituents at the N3 position.