Butanamide, N-(2-bromo-5-chlorophenyl)-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-[[( 1,1-dimethylethyl)diphenylsilyl]oxy]-N-[(4-methoxyphenyl)methyl]-

Base Information

• Chemical Name: Butanamide, N-(2-bromo-5-chlorophenyl)-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-[[( 1,1-dimethylethyl)diphenylsilyl]oxy]-N-[(4-methoxyphenyl)methyl]-
• CAS No.: 671207-51-5
• Molecular Formula: C40H51BrClNO4Si2
• Molecular Weight: 781.377

Synonyms:

Chemical Property of Butanamide, N-(2-bromo-5-chlorophenyl)-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-[[( 1,1-dimethylethyl)diphenylsilyl]oxy]-N-[(4-methoxyphenyl)methyl]-

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

Useful:

Technology Process of Butanamide, N-(2-bromo-5-chlorophenyl)-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-[[( 1,1-dimethylethyl)diphenylsilyl]oxy]-N-[(4-methoxyphenyl)methyl]-

There total 6 articles about Butanamide, N-(2-bromo-5-chlorophenyl)-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-[[( 1,1-dimethylethyl)diphenylsilyl]oxy]-N-[(4-methoxyphenyl)methyl]- 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: 51.0%

p-methoxybenzyl chloride (824-94-2) + N-(2-bromo-5-chlorophenyl)-2-(diphenyl-tert-butylsilyloxy)-4-(dimethyl-tert-butylsilyloxy)-butyramide (671207-50-4) → N-(2-bromo-5-chlorophenyl)-N-(4-methoxybenzyl)-2-(diphenyl-tert-butylsilyloxy)-4-(dimethyl-tert-butylsilyloxy)-butyramide (671207-51-5)

Guidance literature:

N-(2-bromo-5-chlorophenyl)-2-(diphenyl-tert-butylsilyloxy)-4-(dimethyl-tert-butylsilyloxy)-butyramide; With sodium hydride; In N,N-dimethyl-formamide; at 20 ℃; for 0.5h;

p-methoxybenzyl chloride; With sodium iodide; In N,N-dimethyl-formamide; at 80 ℃; for 2h;

DOI:10.1016/S0014-827X(03)00166-6

Reference yield:

2-bromo-5-chloroaniline (823-57-4) → N-(2-bromo-5-chlorophenyl)-N-(4-methoxybenzyl)-2-(diphenyl-tert-butylsilyloxy)-4-(dimethyl-tert-butylsilyloxy)-butyramide (671207-51-5)

Guidance literature:

Multi-step reaction with 3 steps

1.1: Et₂AlCl / hexane; CH₂Cl₂ / 0.5 h

1.2: 40 percent / hexane; CH₂Cl₂ / 3 h / 20 °C

2.1: 99 percent / imidazole; 4-(dimethylamino)pyridine / dimethylformamide / 12 h / 20 °C

3.1: NaH / dimethylformamide / 0.5 h / 20 °C

3.2: 51 percent / NaI / dimethylformamide / 2 h / 80 °C

With 1H-imidazole; dmap; diethylaluminium chloride; sodium hydride; In hexane; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/S0014-827X(03)00166-6

Reference yield:

2-chloro-5-bromonitrobenzene (41513-04-6) → N-(2-bromo-5-chlorophenyl)-N-(4-methoxybenzyl)-2-(diphenyl-tert-butylsilyloxy)-4-(dimethyl-tert-butylsilyloxy)-butyramide (671207-51-5)

Guidance literature:

Multi-step reaction with 4 steps

1.1: 97 percent / Fe; AcOH / ethanol / 1 h / 100 °C

2.1: Et₂AlCl / hexane; CH₂Cl₂ / 0.5 h

2.2: 40 percent / hexane; CH₂Cl₂ / 3 h / 20 °C

3.1: 99 percent / imidazole; 4-(dimethylamino)pyridine / dimethylformamide / 12 h / 20 °C

4.1: NaH / dimethylformamide / 0.5 h / 20 °C

4.2: 51 percent / NaI / dimethylformamide / 2 h / 80 °C

With 1H-imidazole; dmap; diethylaluminium chloride; iron; sodium hydride; acetic acid; In ethanol; hexane; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/S0014-827X(03)00166-6

upstream raw materials:

p-methoxybenzyl chloride

N-(2-bromo-5-chlorophenyl)-2-(diphenyl-tert-butylsilyloxy)-4-(dimethyl-tert-butylsilyloxy)-butyramide

2-chloro-5-bromonitrobenzene

2-bromo-5-chloroaniline

Downstream raw materials:

(E)-hex-2-enedioic acid 6-[(2-bromo-5-chlorophenyl)-(4-methoxybenzyl)-amide]-5-(diphenyl-tert-butylsilyloxy)-1-phenylamide

2-[8-chloro-(4-methoxybenzyl)-2-oxo-3-(diphenyl-tert-butylsilyloxy)-1,2,3,4-tetrahydro-benzo[b]azepin-5-ylidene]-N-phenyl-acetamide

6-[(2-bromo-5-chlorophenyl)-(4-methoxybenzyl)-carbamoyl]-5-(diphenyl-tert-butylsilyloxy)-(E)-hex-2-enoic acid ethyl ester

N-(2-bromo-5-chlorophenyl)-2-(diphenyl-tert-butylsilyloxy)-N-(4-methoxybenzyl)-4-oxo-butyramide

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