(4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-one

Base Information

• Chemical Name: (4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-one
• CAS No.: 141735-27-5
• Molecular Formula: C₂₂H₃₂BrNO₃Si
• Molecular Weight: 466.49
• Mol file: 141735-27-5.mol

Synonyms:(4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-one

Chemical Property of (4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-one

There total 7 articles about (4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-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: 74.0%

{(3E,5E)-(1S,2S)-6-(4-Bromo-phenyl)-1-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-hydroxy-4-methyl-hexa-3,5-dienyl}-carbamic acid benzyl ester (141735-25-3) → (4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-one (141735-27-5)

Guidance literature:

With sodium hydride; In tetrahydrofuran; for 3h; Ambient temperature;

DOI:10.1016/0040-4039(92)88133-P

Reference yield:

1-(p-bromophenyl)-but-3-yn-1-ol (94612-95-0) → (4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-one (141735-27-5)

Guidance literature:

Multi-step reaction with 4 steps

1: 90 percent / CBr₄, Ph₃P / diethyl ether / 1 h / Ambient temperature

2: 1,5-diazabicyclo<4.3.0>non-5-ene / dimethylformamide / Ambient temperature

4: 74 percent / NaH / tetrahydrofuran / 3 h / Ambient temperature

With carbon tetrabromide; DBN; sodium hydride; triphenylphosphine; In tetrahydrofuran; diethyl ether; N,N-dimethyl-formamide;

DOI:10.1016/0040-4039(92)88133-P

Reference yield:

4-bromo-benzaldehyde (1122-91-4) → (4S,5S)-5-[(1E,3E)-4-(4-Bromo-phenyl)-2-methyl-buta-1,3-dienyl]-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-oxazolidin-2-one (141735-27-5)

Guidance literature:

Multi-step reaction with 5 steps

1: 1) Al powder, I₂, HgCl₂, / 1) THF, T < 45 deg C, 1 h, 2) -78 to 0 deg C, 1.5 h

2: 90 percent / CBr₄, Ph₃P / diethyl ether / 1 h / Ambient temperature

3: 1,5-diazabicyclo<4.3.0>non-5-ene / dimethylformamide / Ambient temperature

5: 74 percent / NaH / tetrahydrofuran / 3 h / Ambient temperature

With carbon tetrabromide; DBN; iodine; sodium hydride; triphenylphosphine; aluminium; mercury dichloride; In tetrahydrofuran; diethyl ether; N,N-dimethyl-formamide;

DOI:10.1016/0040-4039(92)88133-P

upstream raw materials:

{(3E,5E)-(1S,2S)-6-(4-Bromo-phenyl)-1-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-hydroxy-4-methyl-hexa-3,5-dienyl}-carbamic acid benzyl ester

1-(p-bromophenyl)-but-3-yn-1-ol

4-bromo-benzaldehyde

1-Bromo-4-((1E,3E)-4-iodo-3-methyl-buta-1,3-dienyl)-benzene