2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-one

Base Information

• Chemical Name: 2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-one
• CAS No.: 1307232-37-6
• Molecular Formula: C₂₀H₂₇N₃O
• Molecular Weight: 325.454
• Mol file: 1307232-37-6.mol

Synonyms:2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-one

Chemical Property of 2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-one

There total 9 articles about 2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-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: 72.0%

1-cyclohexyl-3-isobutyl-4-(2-nitrophenyl)-3,4-dihydropyrazin-2(1H)-one (1307232-25-2) → 2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-one (1307232-37-6)

Guidance literature:

1-cyclohexyl-3-isobutyl-4-(2-nitrophenyl)-3,4-dihydropyrazin-2(1H)-one; With palladium 10% on activated carbon; ammonium formate; In methanol; at 20 ℃; for 0.5h; Inert atmosphere;

With acetic acid; In methanol; at 60 ℃; for 8h; Inert atmosphere;

DOI:10.1021/jo200397m

Reference yield: 34.0%

1-cyclohexyl-3-isobutyl-4-(2-nitrophenyl)-3,4-dihydropyrazin-2(1H)-one (1307232-25-2) → 4-(2-aminophenyl)-1-cyclohexyl-3-isobutylpiperazin-2-one (1307232-50-3) + 2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-one (1307232-37-6)

Guidance literature:

With palladium 10% on activated carbon; ammonium formate; In methanol; at 20 - 60 ℃; for 12.5h; Inert atmosphere;

DOI:10.1021/jo200397m

Reference yield:

Cyclohexyl isocyanide (931-53-3) → 2-cyclohexyl-4-isobutyl-1,2-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-3-one (1307232-37-6)

Guidance literature:

Multi-step reaction with 3 steps

1.1: methanol / 20 h / 60 °C

2.1: trifluoroacetic acid / methanol / 6 h / 60 °C

3.1: palladium 10% on activated carbon; ammonium formate / methanol / 0.5 h / 20 °C / Inert atmosphere

3.2: 8 h / 60 °C / Inert atmosphere

With palladium 10% on activated carbon; ammonium formate; trifluoroacetic acid; In methanol; 1.1: Ugi-Smiles reaction;

DOI:10.1021/jo200397m

upstream raw materials:

1-cyclohexyl-3-isobutyl-4-(2-nitrophenyl)-3,4-dihydropyrazin-2(1H)-one

Cyclohexyl isocyanide

isovaleraldehyde

2-hydroxynitrobenzene