4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro-

Base Information

• Chemical Name: 4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro-
• CAS No.: 61553-71-7
• Molecular Formula: C₁₀H₇N₃O
• Molecular Weight: 185.185
• Hs Code.: 2933990090
• Mol file: 61553-71-7.mol

Synonyms:Imidazolinon;imidazolin-5-one;3,5-Dihydro-4H-imidazol-4-one;2,9-dihydro-2,4,9-triaza-fluoren-1-one;3,5-Dihydro-imidazol-4-on;Imidazolone;2-imidazolin-5-one;imidazol-4-one;3,5-dihydro-imidazol-4-one;4-imidazolone;3H-4-Oxo-pyrimido<5,6-b>indol;5H-pyrimido<5,4-b>indole-4-one;IMIDAZOLINONE;

Chemical Property of 4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro-

Chemical Property:

• PSA: 61.80000
• LogP: 1.81670
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99% ^*data from raw suppliers

3H-Pyrimido[5,4-b]indol-4(5H)-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro-

There total 7 articles about 4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro- 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: 80.0%

ethyl 3-amino-1H-indole-2-carboxylate (87223-77-6) → 5H-pyrimido<5,4-b>indole-4-one (61553-71-7)

Guidance literature:

In formamide; at 220 ℃; for 2h;

DOI:10.1002/jhet.5570230302

Reference yield: 79.0%

3-(dimethylamino-methyleneamino)-1H-indole-2-carboxylic acid ethyl ester (97311-03-0) → 5H-pyrimido<5,4-b>indole-4-one (61553-71-7)

Guidance literature:

With ammonia; In ethanol; at 60 - 70 ℃; for 3h;

DOI:10.1007/BF00506067

Reference yield:

anthranilic acid nitrile (1885-29-6) → 5H-pyrimido<5,4-b>indole-4-one (61553-71-7)

Guidance literature:

Multi-step reaction with 4 steps

1: 2 h / 100 °C / Microwave irradiation

2: potassium carbonate / N,N-dimethyl-formamide / 5 h / 100 °C

3: N,N-dimethyl-formamide / 5 h / 100 °C

4: ammonia / ethanol / 5 h / Reflux

With ammonia; potassium carbonate; In ethanol; N,N-dimethyl-formamide;

DOI:10.1021/acs.jmedchem.7b00788

upstream raw materials:

ethyl 3-amino-1H-indole-2-carboxylate

3-(dimethylamino-methyleneamino)-1H-indole-2-carboxylic acid ethyl ester

anthranilic acid nitrile

2-acetamidobenzonitrile

Downstream raw materials:

(4-phenylpiperazin-1-yl)-5H-pyrimido[5,4-b]indole

1-{4-[2-(3,4-difluorophenyl)ethyl]piperazin-1-yl}-9H-2,4,9-triazafluoren-6-ylamine

1-{4-[2-(3,4-difluoro-phenyl)ethyl]-piperazin-1-yl}-6-nitro-9H-2,4,9-triaza-fluorene

N-[1-Phenyl-meth-(E)-ylidene]-N'-(5H-pyrimido[5,4-b]indol-4-yl)-hydrazine