1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea

Base Information

• Chemical Name: 1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea
• CAS No.: 85396-90-3
• Molecular Formula: C₁₈H₂₄N₄OS
• Molecular Weight: 344.481
• Mol file: 85396-90-3.mol

Synonyms:1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea

Chemical Property of 1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea

There total 6 articles about 1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea 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: 93.0%

Ethyl isothiocyanate (542-85-8) + 2-(2-aminopentyl)-6-phenyl-3(2H)-pyridazinone (82362-85-4) → 1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea (85396-90-3)

Guidance literature:

In chloroform; at 80 ℃; for 2h;

DOI:10.1021/jm00357a012

Reference yield:

6-phenylpyridazin-3(2H)-one (2166-31-6) → 1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea (85396-90-3)

Guidance literature:

Multi-step reaction with 3 steps

1: KOH, tetra-n-butylammonium bromide (TBAB) / benzene / 6 h / Ambient temperature

2: 66 percent / 28 percent amonium hydroxide / ethanol / 24 h / 40 °C

3: 93 percent / CHCl₃ / 2 h / 80 °C

With potassium hydroxide; ammonium hydroxide; tetrabutylammomium bromide; In ethanol; chloroform; benzene;

DOI:10.1021/jm00357a012

Reference yield:

1,5-dibromo-pentane (111-24-0) → 1-Ethyl-3-[5-(6-oxo-3-phenyl-6H-pyridazin-1-yl)-pentyl]-thiourea (85396-90-3)

Guidance literature:

Multi-step reaction with 3 steps

1: KOH, tetra-n-butylammonium bromide (TBAB) / benzene / 6 h / Ambient temperature

2: 66 percent / 28 percent amonium hydroxide / ethanol / 24 h / 40 °C

3: 93 percent / CHCl₃ / 2 h / 80 °C

With potassium hydroxide; ammonium hydroxide; tetrabutylammomium bromide; In ethanol; chloroform; benzene;

DOI:10.1021/jm00357a012

upstream raw materials:

Ethyl isothiocyanate

2-(2-aminopentyl)-6-phenyl-3(2H)-pyridazinone

1,5-dibromo-pentane

6-phenylpyridazin-3(2H)-one