(5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole

Base Information

• Chemical Name: (5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole
• CAS No.: 260783-99-1
• Molecular Formula: C₂₂H₃₀N₄O₄
• Molecular Weight: 414.505
• Mol file: 260783-99-1.mol

Synonyms:(5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole

Chemical Property of (5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole

There total 5 articles about (5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole 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: 90.0%

(4R,5S,2'R,2''S)-1,5-dimethyl-3-{[1'-(2''-acetamido-4''-methylpentanoyl)-2'-aziridinyl]carbonyl}-4-phenylimidazolidin-2-one (260783-98-0) → (5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole (260783-99-1)

Guidance literature:

With boron trifluoride diethyl etherate; In dichloromethane; at 20 ℃; for 2h;

DOI:10.1016/S0040-4020(99)00989-8

Reference yield:

N-Ac-Leu (1188-21-2) → (5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole (260783-99-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 95 percent / EDCI; Et₃N; HOBt / CH₂Cl₂; dimethylformamide / 6 h / 0 °C

2: 90 percent / BF₃-Et₂O / CH₂Cl₂ / 2 h / 20 °C

With boron trifluoride diethyl etherate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In dichloromethane; N,N-dimethyl-formamide; 1: Acylation / 2: Rearrangement;

DOI:10.1016/S0040-4020(99)00989-8

Reference yield:

(4R,5S)-1,5-dimethyl-4-phenyl-3-(2-propenoyl)-2-imidazolidinone (139109-23-2) → (5R,4'R,5'S,1''S)-4,5-dihydro-2-(1''-acetamido-3''-methyl-1''-butyl)-5-[(1',5'-dimethyl-4'-phenylimidazolidin-2'-on-3'-yl)carbonyl]oxazole (260783-99-1)

Guidance literature:

Multi-step reaction with 4 steps

1: bromine / CH₂Cl₂ / 6 h / 0 °C

2: 68 percent / ammonia / dimethylsulfoxide / 1 h / 0 °C

3: 95 percent / EDCI; Et₃N; HOBt / CH₂Cl₂; dimethylformamide / 6 h / 0 °C

4: 90 percent / BF₃-Et₂O / CH₂Cl₂ / 2 h / 20 °C

With boron trifluoride diethyl etherate; ammonia; bromine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; 1: Addition / 2: heterocyclization / 3: Acylation / 4: Rearrangement;

DOI:10.1016/S0040-4020(99)00989-8

upstream raw materials:

(4R,5S,2'R,2''S)-1,5-dimethyl-3-{[1'-(2''-acetamido-4''-methylpentanoyl)-2'-aziridinyl]carbonyl}-4-phenylimidazolidin-2-one

N-Ac-Leu

(4R,5S)-1,5-dimethyl-4-phenyl-3-(2-propenoyl)-2-imidazolidinone

(4R,5S,2'R)-1,5-dimethyl-3-[(2'-aziridinyl)carbonyl]-4-phenylimidazolidin-2-one

Downstream raw materials:

(4R,5S,2'R,2''S)-1,5-dimethyl-3-[3'-(2''-acetamido-4''-methylpentanoyl)amino-2'-hydroxypropionyl]-4-phenylimidazolidin-2-one

(4R,5S)-1,5-dimethyl-4-phenylimidazolidin-2-one