[(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic acid ethyl ester

Base Information

• Chemical Name: [(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic acid ethyl ester
• CAS No.: 212514-52-8
• Molecular Formula: C₂₃H₃₃NO₅S
• Molecular Weight: 435.585

Synonyms:[(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic acid ethyl ester

Chemical Property of [(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic acid ethyl ester

Chemical Property:

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Technology Process of [(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic acid ethyl ester

There total 5 articles about [(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic 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: 80.0%

allyl bromide (106-95-6) + {(S)-3-Methyl-1-[2-(toluene-4-sulfonyl)-acetyl]-butyl}-carbamic acid ethyl ester (212514-38-0) → [(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic acid ethyl ester (212514-52-8)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; for 5h; Ambient temperature;

DOI:10.1016/S0040-4020(98)00533-X

Reference yield:

(S)-methyl 2-(ethoxycarbonylamino)-4-methylpentanoate (95204-54-9) → [(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic acid ethyl ester (212514-52-8)

Guidance literature:

Multi-step reaction with 2 steps

1: tetrahydrofuran / -78 °C

2: 80 percent / K₂CO₃ / dimethylformamide / 5 h / Ambient temperature

With potassium carbonate; In tetrahydrofuran; N,N-dimethyl-formamide;

DOI:10.1016/S0040-4020(98)00533-X

Reference yield:

sodium 4-methylbenzenesulfinate (824-79-3) → [(S)-3-Allyl-1-isobutyl-2-oxo-3-(toluene-4-sulfonyl)-hex-5-enyl]-carbamic acid ethyl ester (212514-52-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) 47percent HBr / 1.) Et₂O, 0 deg C, 2.) DMF, room temperature

2: 80 percent / K₂CO₃ / dimethylformamide / 5 h / Ambient temperature

With hydrogen bromide; potassium carbonate; In N,N-dimethyl-formamide;

DOI:10.1016/S0040-4020(98)00533-X

upstream raw materials:

allyl bromide

{(S)-3-Methyl-1-[2-(toluene-4-sulfonyl)-acetyl]-butyl}-carbamic acid ethyl ester

sodium 4-methylbenzenesulfinate

(S)-methyl 2-(ethoxycarbonylamino)-4-methylpentanoate

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