1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester

Base Information

• Chemical Name: 1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester
• CAS No.: 891186-75-7
• Molecular Formula: C₃₀H₄₃NO₆Si
• Molecular Weight: 541.76
• Mol file: 891186-75-7.mol

Synonyms:1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester

Chemical Property of 1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester

There total 9 articles about 1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester 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: 68.0%

ethyl 2-diazo-3-(N-(2,4-dimethoxybenzyl)-N-(4-methoxyphenyl)amino)-3-oxopropanoate (891186-73-5) + triisopropylsilyl trifluoromethanesulfonate (80522-42-5) → 1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester (891186-75-7)

Guidance literature:

ethyl 2-diazo-3-(N-(2,4-dimethoxybenzyl)-N-(4-methoxyphenyl)amino)-3-oxopropanoate; With tetrakis(μ-trifluoroacetamidato)dirhodium(II); In dichloromethane; at 20 ℃; for 5h; Inert atmosphere;

triisopropylsilyl trifluoromethanesulfonate; With triethylamine; In dichloromethane; at 0 ℃; for 0.25h; Inert atmosphere;

DOI:10.1016/j.tet.2009.08.006

Reference yield: 63.0%

ethyl 2-((2,4-dimethoxybenzyl)(4-methoxyphenyl)carbamoyl)-3-hydroxybut-2-enoate (1537188-68-3) + triisopropylsilyl trifluoromethanesulfonate (80522-42-5) → 1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester (891186-75-7)

Guidance literature:

ethyl 2-((2,4-dimethoxybenzyl)(4-methoxyphenyl)carbamoyl)-3-hydroxybut-2-enoate; With [bis(acetoxy)iodo]benzene; In acetonitrile; at 20 ℃; for 0.333333h;

With sodium acetate; In ethanol; acetonitrile; at 20 ℃; for 48h;

triisopropylsilyl trifluoromethanesulfonate; With triethylamine; In dichloromethane; at 0 ℃; for 0.166667h;

DOI:10.1021/jo4025539

Reference yield:

ethyl 2-diazo-3-(N-(2,4-dimethoxybenzyl)-N-(4-methoxyphenyl)amino)-3-oxopropanoate (891186-73-5) → 1-(2,4-dimethoxybenzyl)-5-methoxy-2-[(triisopropylsilyl)oxy]-1H-indole-3-carboxylic acid ethyl ester (891186-75-7)

Guidance literature:

Multi-step reaction with 2 steps

1: trifluoroacetamide / Rh₂(acac)4 / 1,2-dichloro-ethane; CH₂Cl₂ / 5 h / 20 °C

2: 15.47 g / triethylamine / CH₂Cl₂ / 0.25 h / 0 °C

With 2,2,2-trifluoroacetamide; triethylamine; Rh₂(acac)4; In dichloromethane; 1,2-dichloro-ethane;

DOI:10.1021/ol060298j

upstream raw materials:

ethyl 2-diazo-3-(N-(2,4-dimethoxybenzyl)-N-(4-methoxyphenyl)amino)-3-oxopropanoate

4-methoxy-aniline

2,4-Dimethoxybenzaldehyde

N-(2,4-dimethoxybenzylidene)-4-methoxyaniline

Downstream raw materials:

1-(2,4-dimethoxy-benzyl)-5-methoxy-2-oxo-3-(2-oxo-ethyl)-2,3-dihydro-1H-indole-3-carboxylic acid ethyl ester

(S)-1-(2,4-dimethoxybenzyl)-5-methoxy-1'-methylspiro[indoline-3,3'-pyrrolidine]-2,2'-dione