(4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol

Base Information

• Chemical Name: (4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol
• CAS No.: 220652-45-9
• Molecular Formula: C₁₇H₂₅NO₅S
• Molecular Weight: 355.455
• Mol file: 220652-45-9.mol

Synonyms:(4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol

Chemical Property of (4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol

There total 3 articles about (4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-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: 87.0%

methyl chloroformate (79-22-1) + (4S,2Z)-6-Methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol (247200-41-5) → (4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol (220652-45-9)

Guidance literature:

With pyridine; In tetrahydrofuran; chloroform; at -78 - 0 ℃; for 1h;

Reference yield:

Ethyl (4S,2Z)-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-enoate (247200-36-8) → (4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol (220652-45-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 49 percent / DIBAL-H / toluene / 2 h / -78 - 0 °C

2: 87 percent / pyridine / CHCl₃; tetrahydrofuran / 1 h / -78 - 0 °C

With pyridine; diisobutylaluminium hydride; In tetrahydrofuran; chloroform; toluene; 1: Reduction / 2: Methoxycarbonylation;

Reference yield:

N-((S)-1-Formyl-3-methyl-butyl)-4-methyl-benzenesulfonamide (220324-30-1) → (4S,2Z)-O-Methoxycarbonyl-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol (220652-45-9)

Guidance literature:

Multi-step reaction with 3 steps

1.1: NaH / tetrahydrofuran / 0.25 h / -78 °C

1.2: tetrahydrofuran / 1 h / -78 - 0 °C

2.1: 49 percent / DIBAL-H / toluene / 2 h / -78 - 0 °C

3.1: 87 percent / pyridine / CHCl₃; tetrahydrofuran / 1 h / -78 - 0 °C

With pyridine; sodium hydride; diisobutylaluminium hydride; In tetrahydrofuran; chloroform; toluene; 1.1: Metallation / 1.2: Condensation / 2.1: Reduction / 3.1: Methoxycarbonylation;

upstream raw materials:

methyl chloroformate

(4S,2Z)-6-Methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-en-1-ol

Ethyl (4S,2Z)-6-methyl-4-[(4-methylphenylsulfonyl)amino]hept-2-enoate

N-((S)-1-Formyl-3-methyl-butyl)-4-methyl-benzenesulfonamide

Downstream raw materials:

(2S,3S)-N-(4-Methylphenylsulfonyl)-3-(2-methylpropyl)-2-vinylaziridine