7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide

Base Information

• Chemical Name: 7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide
• CAS No.: 819072-85-0
• Molecular Formula: C₂₈H₂₄N₄O₃
• Molecular Weight: 464.524

Synonyms:7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide

Chemical Property of 7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide

Chemical Property:

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Technology Process of 7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide

There total 2 articles about 7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide 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: 70.0%

phenyl isocyanate (103-71-9) + 2-phenyl-1,2,3,4-tetrahydroquinazolin-1-ol (819072-81-6) → 7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide (819072-85-0)

Guidance literature:

In toluene; at 20 ℃; for 18h;

DOI:10.1016/j.tetlet.2004.10.062

Reference yield:

2-amino-1-benzylamine (4403-69-4) → 7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide (819072-85-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 31 percent / aq. H₂O₂; Na₂WO₄*2H₂O / methanol / 1 h / 20 °C

2: 70 percent / toluene / 18 h / 20 °C

With sodium tungstate; dihydrogen peroxide; In methanol; toluene;

DOI:10.1016/j.tetlet.2004.10.062

Reference yield: 100.0%

7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide (819072-85-0) → C21H20N4O3

Guidance literature:

With hydrogenchloride; In tetrahydrofuran; at 20 ℃; for 0.25h;

DOI:10.1016/j.tetlet.2004.10.062

upstream raw materials:

phenyl isocyanate

2-phenyl-1,2,3,4-tetrahydroquinazolin-1-ol

2-amino-1-benzylamine

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