5-Ethyl-1,4-dimethoxy-6H-pyridazino(4,5-b)carbazole

Base Information

• Chemical Name: 5-Ethyl-1,4-dimethoxy-6H-pyridazino(4,5-b)carbazole
• CAS No.: 59774-26-4
• Molecular Formula: C18H17N3O2
• Molecular Weight: 307.3465
• DSSTox Substance ID: DTXSID60975184
• Nikkaji Number: J240.018I
• Wikidata: Q82959702

Synonyms:BRN 0833454;5-Ethyl-1,4-dimethoxy-6H-pyridazino(4,5-b)carbazole;5-ethyl-1,4-dimethoxy-6H-pyridazino[4,5-b]carbazole;Dimethoxy-1,4 ethyl-5 6H-pyridazino(4,5-b)carbazole;59774-26-4;6H-Pyridazino(4,5-b)carbazole, 5-ethyl-1,4-dimethoxy-;DTXSID60975184;LS-129692;1,4-Dimethoxy-5-ethyl-6H-pyridazino[4,5-b]carbazole

Chemical Property of 5-Ethyl-1,4-dimethoxy-6H-pyridazino(4,5-b)carbazole

Chemical Property:

• Vapor Pressure: 3.84E-14mmHg at 25°C
• Boiling Point: 609.4°C at 760 mmHg
• Flash Point: 210.7°C
• Density: 1.294g/cm³
• XLogP3: 3.9
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 3
• Exact Mass: 307.132076794
• Heavy Atom Count: 23
• Complexity: 846

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: CCC1=C2C(=C3C=CC=CC3=N2)C=C4C1=C(NN=C4OC)OC

Technology Process of 5-Ethyl-1,4-dimethoxy-6H-pyridazino(4,5-b)carbazole

There total 4 articles about 5-Ethyl-1,4-dimethoxy-6H-pyridazino(4,5-b)carbazole 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: 73.0%

sodium methylate (124-41-4) + 6H-dichloro-1,4 ethyl-5 pyridazino<4,5-b>carbazole (59774-21-9) → 6H-dimethoxy-1,4 ethyl-5 pyridazino<4,5-b>carbazole (59774-26-4)

Guidance literature:

In methanol; at 130 ℃; for 5.5h;

DOI:10.1248/cpb.37.2679

Reference yield:

diester methylique de l'acide ethyl-1 carbazoledicarboxylique-2,3 (59774-13-9) → 6H-dimethoxy-1,4 ethyl-5 pyridazino<4,5-b>carbazole (59774-26-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 98 percent / H₂NNH₂*H₂O / 2 h / Heating

2: 63 percent / POCl₃, pyridine / 0.5 h / Heating

3: 73 percent / methanol / 5.5 h / 130 °C

With pyridine; hydrazine hydrate; trichlorophosphate; In methanol;

DOI:10.1248/cpb.37.2679

Reference yield:

ethyl-5 dioxo-1,4 tetrahydro-1,2,3,4 6H-pyridazino<4,5-b>carbazole (59774-16-2) → 6H-dimethoxy-1,4 ethyl-5 pyridazino<4,5-b>carbazole (59774-26-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 63 percent / POCl₃, pyridine / 0.5 h / Heating

2: 73 percent / methanol / 5.5 h / 130 °C

With pyridine; trichlorophosphate; In methanol;

DOI:10.1248/cpb.37.2679

upstream raw materials:

sodium methylate

6H-dichloro-1,4 ethyl-5 pyridazino<4,5-b>carbazole

diester methylique de l'acide ethyl-1 carbazoledicarboxylique-2,3

ethyl-5 dioxo-1,4 tetrahydro-1,2,3,4 6H-pyridazino<4,5-b>carbazole

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