N¹-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide

Base Information

• Chemical Name: N¹-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide
• CAS No.: 136920-37-1
• Molecular Formula: C₂₅H₂₂N₄OS
• Molecular Weight: 426.542

Synonyms:N¹-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide

Chemical Property of N¹-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide

Chemical Property:

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Technology Process of N¹-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide

There total 6 articles about N¹-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide 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: 90.0%

N1-benzylidene-(4-phenyl-3-cyano-5,6,7,8-tetrahydro-2-quinolinylthio)acethydrazide (136920-28-0) → N1-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide (136920-37-1)

Guidance literature:

With sodium ethanolate; In ethanol; for 0.25h; Heating;

Reference yield: 81.0%

benzaldehyde (100-52-7) + 3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide (136920-18-8) → N1-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide (136920-37-1)

Guidance literature:

In ethanol; for 2h; Heating;

Reference yield:

2-mercapto-4-phenyl-5,6,7,8-tetrahydroquinoline-3-carbonitrile (83236-49-1) → N1-benzylidene-3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide (136920-37-1)

Guidance literature:

Multi-step reaction with 4 steps

1: 90 percent / sodium acetate / ethanol / 2 h / Heating

2: 92 percent / hydrazine hydrate / ethanol / 4 h / Heating

3: 85 percent / ethanol / 4 h / Heating

4: 90 percent / sodium ethanolate / ethanol / 0.25 h / Heating

With sodium ethanolate; sodium acetate; hydrazine hydrate; In ethanol;

upstream raw materials:

benzaldehyde

3-amino-4-phenyl-5,6,7,8-tetrahydro-thieno<2,3-b>quinoline-2-carbohydrazide

N¹-benzylidene-(4-phenyl-3-cyano-5,6,7,8-tetrahydro-2-quinolinylthio)acethydrazide

2-mercapto-4-phenyl-5,6,7,8-tetrahydroquinoline-3-carbonitrile

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