benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate

Base Information

• Chemical Name: benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate
• CAS No.: 1432055-10-1
• Molecular Formula: C₂₀H₁₉BrF₃NO₂
• Molecular Weight: 442.276
• Mol file: 1432055-10-1.mol

Synonyms:benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate

Chemical Property of benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate

There total 7 articles about benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate 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: 72.0%

N-{(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}-2-methylpropane-2-sulfinamide (1432055-08-7) + benzyl chloroformate (501-53-1,94274-21-2) → benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate (1432055-10-1)

Guidance literature:

(R)-N-((S)-1-(2-bromo-5-(trifluoromethyl)phenyl)pent-4-en-1-yl)-2-methylpropane-2- sulfinamide; With hydrogenchloride; In 1,4-dioxane; methanol; at 20 ℃; for 0.5h; Inert atmosphere;

benzyl chloroformate; With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 0 ℃; for 0.75h; Inert atmosphere;

DOI:10.1021/acs.jmedchem.1c00959

Reference yield:

(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-amine (1432055-09-8) + benzyl chloroformate (501-53-1,94274-21-2) → benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate (1432055-10-1)

Guidance literature:

With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 0 - 20 ℃; for 2h;

Reference yield:

2-bromo-5-(trifluoromethyl)benzaldehyde (102684-91-3) → benzyl {(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}carbamate (1432055-10-1)

Guidance literature:

Multi-step reaction with 4 steps

1: titanium(IV) tetraethanolate / tetrahydrofuran / 1 h / 40 °C

2: iodine; magnesium / tetrahydrofuran / 40 °C

3: hydrogenchloride / 1,4-dioxane; methanol / 20 °C

4: N-ethyl-N,N-diisopropylamine / dichloromethane / 2 h / 0 - 20 °C

With hydrogenchloride; titanium(IV) tetraethanolate; iodine; magnesium; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane;

upstream raw materials:

(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-amine

benzyl chloroformate

N-{(E)-[2-bromo-5-(trifluoromethyl)phenyl]methylidene}-2-methylpropane-2-sulfinamide

N-{(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]pent-4-en-1-yl}-2-methylpropane-2-sulfinamide

Downstream raw materials:

benzyl [(1S)-1-[2-bromo-5-(trifluoromethyl)phenyl]-3-{(2R,3R)-3-[3-methyl-5-(trifluoromethyl)phenyl]oxiran-2-yl}propyl]carbamate

(1R,5S,7aS)-5-[2-bromo-5-(trifluoromethyl)phenyl]-1-[3-methyl-5-(trifluoromethyl)phenyl]tetrahydro-1H-pyrrolo[1,2-c][1,3]oxazol-3-one