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

Base Information

• Chemical Name: 3-amino-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2,3-c]pyridazine
• CAS No.: 325170-66-9
• Molecular Formula: C₂₀H₁₃N₅OS₂
• Molecular Weight: 403.488

Synonyms:3-amino-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2,3-c]pyridazine

Chemical Property of 3-amino-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2,3-c]pyridazine

Chemical Property:

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Technology Process of 3-amino-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2,3-c]pyridazine

There total 2 articles about 3-amino-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2,3-c]pyridazine 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: 62.0%

carbon disulfide (75-15-0,12122-00-8) + 3-amino-4,5-diphenylthieno[2,3-c]pyridazine-2-carbohydrazide (325170-33-0) → 3-amino-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2,3-c]pyridazine (325170-66-9)

Guidance literature:

With pyridine; for 4h; Heating;

DOI:10.1080/10426500008045255

Reference yield:

ethyl 5-amino-3,4-diphenylthieno[2,3-c]pyridazine-6-carbohydrazide (128462-42-0) → 3-amino-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2,3-c]pyridazine (325170-66-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 87 percent / hydrazine hydrate / ethanol / 5 h / Heating

2: 62 percent / pyridine / 4 h / Heating

With pyridine; hydrazine hydrate; In ethanol;

DOI:10.1080/10426500008045255

Reference yield: 87.0%

3-amino-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2,3-c]pyridazine (325170-66-9) → [5-(5-amino-3,4-diphenyl-thieno[2,3-c]pyridazin-6-yl)-[1,3,4]oxadiazol-2-ylsulfanyl]-acetic acid ethyl ester

Guidance literature:

With sodium acetate; In ethanol; for 5h; Heating;

DOI:10.1080/10426500008045255

upstream raw materials:

carbon disulfide

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-[pyrol-1-yl]-2-[2-mercaptooxadiazol-5-yl]-4,5-diphenylthieno[2.3-c]pyridazine

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