4-bromophenyl-3-[(1-methylpyrrol-2-yl)methyl]-4,5-dihydro-1,2,4-triazolin-5-one

Base Information

• Chemical Name: 4-bromophenyl-3-[(1-methylpyrrol-2-yl)methyl]-4,5-dihydro-1,2,4-triazolin-5-one
• CAS No.: 1217115-30-4
• Molecular Formula: C₁₄H₁₃BrN₄O
• Molecular Weight: 333.187
• Mol file: 1217115-30-4.mol

Synonyms:4-bromophenyl-3-[(1-methylpyrrol-2-yl)methyl]-4,5-dihydro-1,2,4-triazolin-5-one

Chemical Property of 4-bromophenyl-3-[(1-methylpyrrol-2-yl)methyl]-4,5-dihydro-1,2,4-triazolin-5-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-bromophenyl-3-[(1-methylpyrrol-2-yl)methyl]-4,5-dihydro-1,2,4-triazolin-5-one

There total 2 articles about 4-bromophenyl-3-[(1-methylpyrrol-2-yl)methyl]-4,5-dihydro-1,2,4-triazolin-5-one 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: 89.0%

4-(4-bromophenyl)-1-[(1-methylpyrrol-2-yl)acetyl]semicarbazide (891005-41-7) → 4-bromophenyl-3-[(1-methylpyrrol-2-yl)methyl]-4,5-dihydro-1,2,4-triazolin-5-one (1217115-30-4)

Guidance literature:

With sodium hydroxide; In water; Reflux;

DOI:10.1515/znb-2009-0514

Reference yield:

(1-methyl-pyrrol-2-yl)acetic acid hydrazide (158144-17-3) + 4-bromophenyl isocyanate (2493-02-9) → 4-bromophenyl-3-[(1-methylpyrrol-2-yl)methyl]-4,5-dihydro-1,2,4-triazolin-5-one (1217115-30-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 24 h / 20 °C

2: sodium hydroxide / water / 15 h / Reflux

With sodium hydroxide; In water;

DOI:10.2174/157018011797655188

upstream raw materials:

4-(4-bromophenyl)-1-[(1-methylpyrrol-2-yl)acetyl]semicarbazide

(1-methyl-pyrrol-2-yl)acetic acid hydrazide

4-bromophenyl isocyanate