trimethyl 1-phenyl-2a-azabenzazulene-3,4,5-tricarboxylate

Base Information

• Chemical Name: trimethyl 1-phenyl-2a-azabenzazulene-3,4,5-tricarboxylate
• CAS No.: 143809-88-5
• Molecular Formula: C₂₄H₁₉NO₆
• Molecular Weight: 417.418

Synonyms:

Chemical Property of trimethyl 1-phenyl-2a-azabenzazulene-3,4,5-tricarboxylate

Chemical Property:

Purity/Quality:

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Technology Process of trimethyl 1-phenyl-2a-azabenzazulene-3,4,5-tricarboxylate

There total 3 articles about trimethyl 1-phenyl-2a-azabenzazulene-3,4,5-tricarboxylate 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: 16.0%

8-ethylamino-3-phenyl-1-azaazulene (143809-87-4) + dimethyl acetylenedicarboxylate (762-42-5) → trimethyl 1-phenyl-2a-azabenzazulene-3,4,5-tricarboxylate (143809-88-5) + tetramethyl 31-phenyl-9b-azaindeno<1,6,7-bcd>azulene-1,2,8,9-tetracarboxylate (143809-91-0) + tetramethyl 6-ethyl-1-phenyl-4a,5-dihydro-6H-2a,6-diazapentaleno<1,6-cd>azulene-3,4,4a,5-tetracarboxylate (143809-89-6) + pentamethyl 3-phenyl-2a,9a-dihydro-9b-azaindeno<1,6,7-bcd>azulene-1,2,8,9,9a-pentacarboxylate (143809-93-2)

Guidance literature:

In acetonitrile; for 1h; Further byproducts given; Heating;

DOI:10.1246/bcsj.65.1784

Reference yield: 13.0%

8-ethylamino-3-phenyl-1-azaazulene (143809-87-4) + dimethyl acetylenedicarboxylate (762-42-5) → trimethyl 1-phenyl-2a-azabenzazulene-3,4,5-tricarboxylate (143809-88-5) + tetramethyl 31-phenyl-9b-azaindeno<1,6,7-bcd>azulene-1,2,8,9-tetracarboxylate (143809-91-0) + dimethyl <8-phenyl-1,2,3-tris(methoxycarbonyl)-8H-3a-azacyclopent<1,2-a>inden-8-yl>maleate (143809-92-1) + tetramethyl 6-ethyl-1-phenyl-4a,5-dihydro-6H-2a,6-diazapentaleno<1,6-cd>azulene-3,4,4a,5-tetracarboxylate (143809-89-6)

Guidance literature:

In acetonitrile; for 1h; Further byproducts given; Heating;

DOI:10.1246/bcsj.65.1784

Reference yield:

8-chloro-3-phenyl-1-azaazulene (63725-00-8) → trimethyl 1-phenyl-2a-azabenzazulene-3,4,5-tricarboxylate (143809-88-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 88.5 percent / ethanol / 0.5 h / Heating

2: 16 percent / acetonitrile / 1 h / Heating

In ethanol; acetonitrile;

DOI:10.1246/bcsj.65.1784

upstream raw materials:

8-ethylamino-3-phenyl-1-azaazulene

dimethyl acetylenedicarboxylate

8-chloro-3-phenyl-1-azaazulene

Downstream raw materials:

tetramethyl 31-phenyl-9b-azaindeno<1,6,7-bcd>azulene-1,2,8,9-tetracarboxylate

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