(E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol

Base Information

• Chemical Name: (E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol
• CAS No.: 405932-44-7
• Molecular Formula: C₁₂H₁₆BrNO₃S
• Molecular Weight: 334.234
• Mol file: 405932-44-7.mol

Synonyms:(E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol

Chemical Property of (E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol

There total 4 articles about (E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol 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: 63.0%

(E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-enoate (405932-40-3) → (E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol (405932-44-7)

Guidance literature:

With diisobutylaluminium hydride; In chloroform; toluene; at -78 ℃; for 2h;

DOI:10.1021/jo016320y

Reference yield:

3-[N-(4-methylphenylsulfonyl)amino]propan-1-ol (13379-98-1) → (E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol (405932-44-7)

Guidance literature:

Multi-step reaction with 3 steps

1: (COCl)2; DMSO; diisopropylethylamine / CH₂Cl₂ / 1.33 h / -78 °C

2: 777 mg / CHCl₃ / 19 h / 0 °C

3: 63 percent / DIBAL / CHCl₃; toluene / 2 h / -78 °C

With oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine; In dichloromethane; chloroform; toluene;

DOI:10.1021/jo016320y

Reference yield:

p-toluenesulfonyl chloride (98-59-9) → (E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-en-1-ol (405932-44-7)

Guidance literature:

Multi-step reaction with 4 steps

1: 99 percent / Et₃N / CH₂Cl₂ / 17 h / 0 °C

2: (COCl)2; DMSO; diisopropylethylamine / CH₂Cl₂ / 1.33 h / -78 °C

3: 777 mg / CHCl₃ / 19 h / 0 °C

4: 63 percent / DIBAL / CHCl₃; toluene / 2 h / -78 °C

With oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; triethylamine; N-ethyl-N,N-diisopropylamine; In dichloromethane; chloroform; toluene;

DOI:10.1021/jo016320y

upstream raw materials:

(E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]pent-2-enoate

3-[N-(4-methylphenylsulfonyl)amino]propan-1-ol

p-toluenesulfonyl chloride

N-1-(3-oxopropyl)-4-methyl-1-benzenesulfonamide

Downstream raw materials:

5-[N-(4-methylphenylsulfonyl)amino]penta-1,2-diene

(E)-2-bromo-5-[N-(4-methylphenylsulfonyl)amino]-pent-2-en-1-yl methylsulfonate