(2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one

Base Information

• Chemical Name: (2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one
• CAS No.: 119519-85-6
• Molecular Formula: C₂₁H₂₃NO₅S
• Molecular Weight: 401.483
• Mol file: 119519-85-6.mol

Synonyms:(2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one

Chemical Property of (2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one

There total 5 articles about (2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-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: 9.45%

(2RS,3S)-1-(2-benzoyloxyethyl)-3-hydroxy-2-phenylthiopyrrolidin-5-one (119519-84-5,119520-04-6) + chloromethyl methyl ether (107-30-2) → (2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one (119519-85-6) + (2S,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one (119520-02-4)

Guidance literature:

With N-ethyl-N,N-diisopropylamine; dmap; In dichloromethane; for 48h; Ambient temperature;

Reference yield:

C9H10O3 (94-33-7) → (2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one (119519-85-6)

Guidance literature:

Multi-step reaction with 4 steps

1: 95.5 percent / triphenylphosphine, diethyl azodicarboxylate / tetrahydrofuran / 4 h / Ambient temperature

2: 1) NaBH₄ 2) HCl / 1) EtOH, -10 deg C, 15 min 2) r.t., 2 h

3: p-TsOH / 2 h / Ambient temperature

4: 76.6 percent / diisopropylethylamine / 4-dimethylaminopyridine / CH₂Cl₂ / 48 h / Ambient temperature

With hydrogenchloride; sodium tetrahydroborate; N-ethyl-N,N-diisopropylamine; triphenylphosphine; diethylazodicarboxylate; dmap; toluene-4-sulfonic acid; In tetrahydrofuran; dichloromethane;

Reference yield:

(3S)-3-acetoxy-1-(2-benzoyloxyethyl)pyrrolidine-2,5-dione (119519-81-2) → (2R,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-phenylthiopyrrolidin-5-one (119519-85-6)

Guidance literature:

Multi-step reaction with 3 steps

1: 1) NaBH₄ 2) HCl / 1) EtOH, -10 deg C, 15 min 2) r.t., 2 h

2: p-TsOH / 2 h / Ambient temperature

3: 76.6 percent / diisopropylethylamine / 4-dimethylaminopyridine / CH₂Cl₂ / 48 h / Ambient temperature

With hydrogenchloride; sodium tetrahydroborate; N-ethyl-N,N-diisopropylamine; dmap; toluene-4-sulfonic acid; In dichloromethane;

upstream raw materials:

(2RS,3S)-1-(2-benzoyloxyethyl)-3-hydroxy-2-phenylthiopyrrolidin-5-one

chloromethyl methyl ether

C₉H₁₀O₃

(3S)-3-acetoxy-1-(2-benzoyloxyethyl)pyrrolidine-2,5-dione

Downstream raw materials:

methyl (1RS,7S,8S)-7-methoxymethoxy-5-oxo-1-phenylthiohexahydro-1H-pyrrolizine-1-carboxylate

(1RS,7S,8S)-1-hydroxymethyl-7-methoxymethoxy-1-phenylsulfinylhexahydro-1H-pyrrolizin-5-one

(1RS,7S,8S)-1-hydroxymethyl-7-methoxymethoxy-1-phenylthiohexahydro-1H-pyrrolizin-5-one

(2S,3S)-1-(2-benzoyloxyethyl)-3-methoxymethoxy-2-(methoxycarbonylphenylthio)methylpyrrolidin-5-one