129811-92-3

Upstream product

• 108-24-7 acetic anhydride 
• 123542-48-3 ethyl 5-amino-3,4-dihydro-3-(4-methoxyphenyl)-4-oxothieno<3,4-d>pyridazine-1-carboxylate 

Downstream Products

• 129811-91-2 ethyl 5-acetylamino-7-bromo-3,4-dihydro-3-(4-methoxyphenyl)-4-oxothieno<3,4-d>pyridazine-1-carboxylate 
• 129811-93-4 ethyl 5-acetylamino-3,4-dihydro-3-(4-methoxyphenyl)-7-nitro-4-oxothieno<3,4-d>pyridazine-1-carboxylate 

Relevant academic research and scientific papers

Studies on Alkyl-Substituted, Heteroaromatic Carbonitriles: Novel Synthesis of Thienoazines and Benzoazines

The alkyl-substituted heterocyclic carbonitriles 1-3 react with elemental sulphur to yield the thienoazines 7, 11 and 13, respectively.Whereas 7 reacts with acrylonitrile to afford a cycloaddition product with elimination of hydrogen sulphide, compo