(1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-2-one

Base Information

• Chemical Name: (1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-2-one
• CAS No.: 173541-21-4
• Molecular Formula: C₂₉H₃₀N₂O₄S
• Molecular Weight: 502.634
• Mol file: 173541-21-4.mol

Synonyms:(1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-2-one

Chemical Property of (1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-2-one

There total 6 articles about (1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-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: 65.0%

(2S,4S,5R)-2-Methoxy-4-methyl-5-phenyl-3-(toluene-4-sulfonyl)-oxazolidine + (1'R)-1-(1'-phenylethyl)-2-tert-butyldimethylsilyloxy-1H-pyrrole (173541-18-9) → (1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-2-one (173541-21-4)

Guidance literature:

With boron trifluoride diethyl etherate; In dichloromethane; at -78 ℃;

DOI:10.1016/0040-4039(95)01788-J

Reference yield: 65.0%

2RS,4S,5R-4-Methyl-3-p-methylphenylsulphonyl-2-methoxy-5-phenyl-1,3-oxazolidine (212912-47-5) + (1'R)-1-(1'-phenylethyl)-2-tert-butyldimethylsilyloxy-1H-pyrrole (173541-18-9) → (1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-2-one (173541-21-4)

Guidance literature:

With boron trifluoride diethyl etherate; In dichloromethane; at -78 - 0 ℃; for 3h;

DOI:10.1016/S0040-4020(98)00494-3

Reference yield:

(R)-1-phenyl-ethyl-amine (3886-69-9) → (1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrol-2-one (173541-21-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 84 percent / acetic acid / 1.5 h / Heating

2: 22 percent / H₂O₂ / pyridine / 192 h / 20 - 70 °C

3: 95 percent / i-Pr₂EtN / CH₂Cl₂ / 0.67 h

4: 65 percent / BF₃*Et₂O / CH₂Cl₂ / 3 h / -78 - 0 °C

With boron trifluoride diethyl etherate; dihydrogen peroxide; N-ethyl-N,N-diisopropylamine; In pyridine; dichloromethane; acetic acid; 1: Condensation / 2: Oxidation / 3: Addition / 4: Condensation;

DOI:10.1016/S0040-4020(98)00494-3

upstream raw materials:

(1'R)-1-(1'-phenylethyl)-2-tert-butyldimethylsilyloxy-1H-pyrrole

2RS,4S,5R-4-Methyl-3-p-methylphenylsulphonyl-2-methoxy-5-phenyl-1,3-oxazolidine

(R)-1-phenyl-ethyl-amine

(1'R)-1-(1'-phenylethyl)-1,5-dihydro-pyrrol-2-one

Downstream raw materials:

(1''R,2'R,4'S,5,5'R)-5-[4'-methyl-5'-phenyl-3'-(toluene-4'''-sulfonyl)oxazolidine-2'-yl]-1-(1''-phenylethyl)pyrrolidin-2-one