6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-3-one

Base Information

• Chemical Name: 6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-3-one
• CAS No.: 1197359-82-2
• Molecular Formula: C₁₇H₂₁N₃O
• Molecular Weight: 283.373
• Mol file: 1197359-82-2.mol

Synonyms:6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-3-one

Chemical Property of 6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-3-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-3-one

There total 7 articles about 6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-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:

6-[4-(2-hydroxy-ethyl)-phenyl]-2H-pyridazin-3-one (330200-37-8) + (R)-(-)-2-Methylpyrrolidine (+)-hydrogen tartrate adduct → 6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-3-one (1197359-82-2)

Guidance literature:

6-[4-(2-hydroxy-ethyl)-phenyl]-2H-pyridazin-3-one; With methanesulfonyl chloride; triethylamine; In dichloromethane; at 0 - 20 ℃; for 3h;

(R)-(-)-2-Methylpyrrolidine (+)-hydrogen tartrate adduct; With potassium carbonate; In acetonitrile; at 50 ℃; for 144h;

Reference yield:

C13H14N2O4S + (R)-(-)-2-methylpyrrolidine (765-38-8,41720-98-3,59335-84-1,79171-53-2) → 6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-3-one (1197359-82-2)

Guidance literature:

With potassium carbonate; In acetonitrile; at 50 ℃;

DOI:10.1016/j.bmcl.2011.08.104

Reference yield:

acetic acid 2-[4-(6-oxo-1,6-dihydro-pyridazin-3-yl)-phenyl]-ethyl ester (1197360-15-8) → 6-{4-[2-((R)-2-methyl-pyrrolidin-1-yl)-ethyl]-phenyl}-2H-pyridazin-3-one (1197359-82-2)

Guidance literature:

Multi-step reaction with 3 steps

1: water; potassium carbonate / methanol / 1 h / 20 - 50 °C

2: triethylamine / dichloromethane / 3 h / 0 - 20 °C

3: potassium carbonate / acetonitrile / 50 °C

With water; potassium carbonate; triethylamine; In methanol; dichloromethane; acetonitrile;

DOI:10.1016/j.bmcl.2011.08.104

upstream raw materials:

6-[4-(2-hydroxy-ethyl)-phenyl]-2H-pyridazin-3-one

acetic acid 2-[4-(6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-phenyl]-ethyl ester

acetic acid 2-[4-(6-oxo-1,6-dihydro-pyridazin-3-yl)-phenyl]-ethyl ester

(R)-(-)-2-methylpyrrolidine