914650-69-4

Upstream product

• 128462-42-0 ethyl 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-carbohydrazide 
• 532-55-8 Benzoyl isothiocyanate 

Downstream Products

• 914650-71-8 2-amino-8,9-diphenylpyridazino[4',3':5,4]thieno[3,2-d]-1,3-thiazin-4-one 
• 914650-73-0 2-(3-benzoylthioureido)-8,9-diphenylpyridazino[4',3':5,4]thieno[3,2-d]-1,3-thiazin-4-one 

Relevant academic research and scientific papers

Pyridazine derivatives and related compounds part 19:1 The synthesis of different heterocycles from ethyl 5-amino-3,4-diphenylthieno[2,3-c] pyridazine-6-carboxylate

7-substituted pyrido[2′,3′:4, 5]thieno[2,3-c]pyridazines and 6-substituted pyrimido-[4′,5′:4,5]thieno[2,3-c]pyridazines were synthesized starting from ethyl 5-aminothieno[2,3-c]pyridazino-6-carboxylate 1. The reaction of amino ester 1 with benzoyl isothio