1-phenyl-2a,4,5-triazabenzazulene

Base Information

• Chemical Name: 1-phenyl-2a,4,5-triazabenzazulene
• CAS No.: 111303-32-3
• Molecular Formula: C₁₆H₁₁N₃
• Molecular Weight: 245.283

Synonyms:1-phenyl-2a,4,5-triazabenzazulene

Chemical Property of 1-phenyl-2a,4,5-triazabenzazulene

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Technology Process of 1-phenyl-2a,4,5-triazabenzazulene

There total 1 articles about 1-phenyl-2a,4,5-triazabenzazulene 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: 96.0%

8-Hydrazino-3-phenylcycloheptapyrrole (63725-20-2) + orthoformic acid triethyl ester (122-51-0) → 1-phenyl-2a,4,5-triazabenzazulene (111303-32-3)

Guidance literature:

With toluene-4-sulfonic acid; at 140 ℃; for 0.5h;

DOI:10.3987/R-1987-03-0767

Reference yield: 19.0%

1-phenyl-2a,4,5-triazabenzazulene (111303-32-3) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl (1-cyano-3-phenyl-1,8-dihydro-1-azaazulen-8-ylideneamino)maleate (111303-35-6)

Guidance literature:

In xylene; for 1h; Heating;

DOI:10.3987/R-1987-03-0767

Reference yield: 5.0%

1-phenyl-2a,4,5-triazabenzazulene (111303-32-3) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl 1-phenyl-2a,5-diazabenzazulene-3,4-dicarboxylate (111331-34-1) + dimethyl (1-cyano-3-phenyl-1,8-dihydro-1-azaazulen-8-ylideneamino)maleate (111303-35-6)

Guidance literature:

In acetonitrile; for 2h; Heating;

DOI:10.3987/R-1987-03-0767

upstream raw materials:

8-Hydrazino-3-phenylcycloheptapyrrole

orthoformic acid triethyl ester

Downstream raw materials:

dimethyl 1-phenyl-2a,5-diazabenzazulene-3,4-dicarboxylate

dimethyl (1-cyano-3-phenyl-1,8-dihydro-1-azaazulen-8-ylideneamino)maleate

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