(+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-oxazolidin-2-one

Base Information

• Chemical Name: (+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-oxazolidin-2-one
• CAS No.: 156661-58-4
• Molecular Formula: C₁₈H₂₅NO₃
• Molecular Weight: 303.401
• Mol file: 156661-58-4.mol

Synonyms:(+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-oxazolidin-2-one

Chemical Property of (+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-oxazolidin-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-oxazolidin-2-one

There total 3 articles about (+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-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: 94.0%

(+)-3-(5-Phenyl-2(R)-methyl-1-oxo-4(E)-pentenyl)-4(S)-isopropyl-1,3-oxazolidin-2-one (104554-86-1) → (+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-oxazolidin-2-one (156661-58-4)

Guidance literature:

With hydrogen; palladium on activated charcoal; In ethyl acetate; for 4h; under 2068.6 Torr;

DOI:10.1021/jo00087a054

Reference yield:

N-isopropyl oxazolidinone (77877-19-1,165657-81-8) → (+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-oxazolidin-2-one (156661-58-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 87 percent / NaN(SiMe₃)2 / tetrahydrofuran / 1.) -78 deg C, 30 min, 2.) -78 deg C, 1 h; -10 deg C, 15 min

2: 94 percent / H₂ / 10percent Pd/C / ethyl acetate / 4 h / 2068.6 Torr

With hydrogen; sodium hexamethyldisilazane; palladium on activated charcoal; In tetrahydrofuran; ethyl acetate;

DOI:10.1021/jo00087a054

Reference yield:

Cinnamyl bromide (4392-24-9) → (+)-3-(5-Phenyl-2(R)-methyl-1-oxopentyl)-4(S)-isopropyl-1,3-oxazolidin-2-one (156661-58-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 87 percent / NaN(SiMe₃)2 / tetrahydrofuran / 1.) -78 deg C, 30 min, 2.) -78 deg C, 1 h; -10 deg C, 15 min

2: 94 percent / H₂ / 10percent Pd/C / ethyl acetate / 4 h / 2068.6 Torr

With hydrogen; sodium hexamethyldisilazane; palladium on activated charcoal; In tetrahydrofuran; ethyl acetate;

DOI:10.1021/jo00087a054

upstream raw materials:

(+)-3-(5-Phenyl-2(R)-methyl-1-oxo-4(E)-pentenyl)-4(S)-isopropyl-1,3-oxazolidin-2-one

N-isopropyl oxazolidinone

Cinnamyl bromide

Downstream raw materials:

(-)-(R)-6-Methyl-9-phenyl-(E)-4-nonenoic acid ethyl ester

(R)-9-phenyl-6-methyl-4-nonenoic acid

(2R)-2-methyl-5-phenylpentan-1-al

(+)-(R)-2-Methyl-5-phenyl-1-pentanol