1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline

Base Information

• Chemical Name: 1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline
• CAS No.: 1374869-94-9
• Molecular Formula: C₂₀H₂₅NO₂
• Molecular Weight: 311.424
• Mol file: 1374869-94-9.mol

Synonyms:1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline

Chemical Property of 1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline

There total 6 articles about 1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline 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: 74.0%

1-(3,4-dimethoxyphenylethynyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline (1374869-97-2) → 1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline (1374869-94-9)

Guidance literature:

With 5%-palladium/activated carbon; hydrogen; In ethanol; at 20 ℃; under 760.051 Torr;

DOI:10.1055/s-0031-1290532

Reference yield:

4-ethynylveratrole (4302-52-7) → 1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline (1374869-94-9)

Guidance literature:

Multi-step reaction with 2 steps

1.1: diethylazodicarboxylate / tetrahydrofuran / 1 h / 20 °C

1.2: 20 °C

2.1: 5%-palladium/activated carbon; hydrogen / ethanol / 20 °C / 760.05 Torr

With 5%-palladium/activated carbon; hydrogen; diethylazodicarboxylate; In tetrahydrofuran; ethanol;

DOI:10.1055/s-0031-1290532

Reference yield:

3,4-dimethoxycinnamic acid (2316-26-9) → 1-(3,4-dimethoxyphenylethyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline (1374869-94-9)

Guidance literature:

Multi-step reaction with 5 steps

1.1: bromine / chloroform / 0.5 h / Cooling with ice

2.1: sodium carbonate / water / Reflux

3.1: potassium hydroxide / water

4.1: diethylazodicarboxylate / tetrahydrofuran / 1 h / 20 °C

4.2: 20 °C

5.1: 5%-palladium/activated carbon; hydrogen / ethanol / 20 °C / 760.05 Torr

With 5%-palladium/activated carbon; hydrogen; bromine; sodium carbonate; potassium hydroxide; diethylazodicarboxylate; In tetrahydrofuran; ethanol; chloroform; water;

DOI:10.1055/s-0031-1290532

upstream raw materials:

1-(3,4-dimethoxyphenylethynyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline

3,4-dimethoxycinnamic acid

4-ethynylveratrole

1-bromo-2-(3',4'-dimethoxyphenyl)ethene