2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-one

Base Information

• Chemical Name: 2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-one
• CAS No.: 1198765-16-0
• Molecular Formula: C₂₅H₃₀BrNO₂Si
• Molecular Weight: 484.508
• Mol file: 1198765-16-0.mol

Synonyms:2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-one

Chemical Property of 2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-one

There total 11 articles about 2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-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: 2.9%

2-(3-bromo-2-{[(tert-butyldimethylsilyl)oxy]methyl}phenyl)-6-cyclopropyl-3-hydroxy-3,4-dihydro-2H-isoquinolin-1-one (1198765-15-9) → 2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-one (1198765-16-0)

Guidance literature:

With methanesulfonyl chloride; triethylamine; In dichloromethane; at 20 ℃; Inert atmosphere;

DOI:10.1021/jm500305p

Reference yield:

((2-bromo-6-nitrobenzyl)oxy)(tert-butyl)dimethylsilane (1147531-02-9) → 2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-one (1198765-16-0)

Guidance literature:

Multi-step reaction with 4 steps

1.1: ammonium chloride; iron / water; ethanol / 2 h / 70 °C / Inert atmosphere

2.1: pyridine / toluene / 20 °C / Inert atmosphere

3.1: n-butyllithium; 2,2,6,6-tetramethyl-piperidine / tetrahydrofuran; hexane / 1 h / -15 °C / Inert atmosphere

3.2: 1.17 h / -5 - 20 °C / Inert atmosphere

4.1: methanesulfonyl chloride; triethylamine / dichloromethane / 20 °C / Inert atmosphere

With pyridine; 2,2,6,6-tetramethyl-piperidine; n-butyllithium; iron; ammonium chloride; methanesulfonyl chloride; triethylamine; In tetrahydrofuran; ethanol; hexane; dichloromethane; water; toluene;

DOI:10.1021/jm500305p

Reference yield:

3-bromo-2-[[tert-butyl(dimethyl)silyl]oxymethyl] aniline (1147531-04-1) → 2-[3-bromo-2-(tert-butyldimethylsilanyloxymethyl)phenyl]-6-cyclopropyl-2H-isoquinolin-1-one (1198765-16-0)

Guidance literature:

Multi-step reaction with 3 steps

1.1: pyridine / toluene / 20 °C / Inert atmosphere

2.1: n-butyllithium; 2,2,6,6-tetramethyl-piperidine / tetrahydrofuran; hexane / 1 h / -15 °C / Inert atmosphere

2.2: 1.17 h / -5 - 20 °C / Inert atmosphere

3.1: methanesulfonyl chloride; triethylamine / dichloromethane / 20 °C / Inert atmosphere

With pyridine; 2,2,6,6-tetramethyl-piperidine; n-butyllithium; methanesulfonyl chloride; triethylamine; In tetrahydrofuran; hexane; dichloromethane; toluene;

DOI:10.1021/jm500305p

upstream raw materials:

2-(3-bromo-2-{[(tert-butyldimethylsilyl)oxy]methyl}phenyl)-6-cyclopropyl-3-hydroxy-3,4-dihydro-2H-isoquinolin-1-one

((2-bromo-6-nitrobenzyl)oxy)(tert-butyl)dimethylsilane

3-bromo-2-[[tert-butyl(dimethyl)silyl]oxymethyl] aniline

4-bromo-2-methylbenzoic acid

Downstream raw materials:

2-[2-(tert-butyl-dimethyl-silanyloxymethyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-phenyl]-6-cyclopropyl-2H-isoquinolin-1-one