5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide

Base Information

• Chemical Name: 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide
• CAS No.: 325170-37-4
• Molecular Formula: C₂₆H₁₉N₅OS
• Molecular Weight: 449.536

Synonyms:5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide

Chemical Property of 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide

Chemical Property:

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Technology Process of 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide

There total 2 articles about 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 87.0%

benzaldehyde (100-52-7) + 3-amino-4,5-diphenylthieno[2,3-c]pyridazine-2-carbohydrazide (325170-33-0) → 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide (325170-37-4)

Guidance literature:

With acetic acid; In ethanol; for 2h; Heating;

DOI:10.1080/104265090517398

Reference yield:

ethyl 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-carbohydrazide (128462-42-0) → 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide (325170-37-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 92 percent / aq. H₂NNH₂ / ethanol / 2 h / Heating

2: 87 percent / AcOH / ethanol / 2 h / Heating

With hydrazine hydrate; acetic acid; In ethanol;

DOI:10.1080/104265090517398

Reference yield: 94.0%

5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-benzylidenecarbohydrazide (325170-37-4) → 3-benzylideneamino-8,9-diphenylpyridazino[4',3':4,5]thieno[3,2-d]-1,2,3-triazin-4(3H)-one (862534-98-3)

Guidance literature:

With hydrogenchloride; sodium nitrite; at 5 - 20 ℃;

DOI:10.1080/104265090517398

upstream raw materials:

benzaldehyde

3-amino-4,5-diphenylthieno[2,3-c]pyridazine-2-carbohydrazide

ethyl 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-carbohydrazide

Downstream raw materials:

3,4-diphenyl-8-oxopyridazo[3',4':4,5]thieno[2,3-d][1,3]thiazin-6(5H)thione

3-benzylideneamino-8,9-diphenylpyridazino[4',3':4,5]thieno[3,2-d]-1,2,3-triazin-4(3H)-one

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