(2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine

Base Information

• Chemical Name: (2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine
• CAS No.: 134457-76-4
• Molecular Formula: C₁₉H₂₉Cl₂NO₂
• Molecular Weight: 374.351
• Mol file: 134457-76-4.mol

Synonyms:(2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine

Chemical Property of (2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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Technology Process of (2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine

There total 7 articles about (2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine 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: 89.0%

(5S,6R)-(-)-5-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidinone (134457-75-3) → (2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine (134457-76-4)

Guidance literature:

With lithium aluminium tetrahydride; In tetrahydrofuran; for 2h; Heating;

DOI:10.1021/jo00016a013

Reference yield:

(5S,6R)-(-)-1<(1R)-1-(2,6-dichlorophenyl)ethyl>-5-(4-oxobut-2-yl)pyrrolidinone (134457-74-2) → (2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine (134457-76-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 1) t-BuLi / 1) Et₂O, THF, 0 deg C, 15 min, 2) 5h

2: 98 percent / camphorsulfonic acid / 15 h

3: 89 percent / LiAlH₄ / tetrahydrofuran / 2 h / Heating

With lithium aluminium tetrahydride; camphor-10-sulfonic acid; tert.-butyl lithium; In tetrahydrofuran;

DOI:10.1021/jo00016a013

Reference yield:

(S)-1-[(R)-1-(2,6-Dichloro-phenyl)-ethyl]-5-((E)-(R)-4-methoxy-1-methyl-but-3-enyl)-pyrrolidin-2-one → (2S,6)-(-)-2-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidine (134457-76-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 98 percent / camphorsulfonic acid / 15 h

2: 89 percent / LiAlH₄ / tetrahydrofuran / 2 h / Heating

With lithium aluminium tetrahydride; camphor-10-sulfonic acid; In tetrahydrofuran;

DOI:10.1021/jo00016a013

upstream raw materials:

(5S,6R)-(-)-5-(5,5-dimethoxypent-2-yl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidinone

(5S,6R)-(-)-1<(1R)-1-(2,6-dichlorophenyl)ethyl>-5-(4-oxobut-2-yl)pyrrolidinone

1-[(R)-1-(2,6-Dichloro-phenyl)-ethyl]-5-hydroxy-pyrrolidin-2-one

(5S)-5-(2-but-3-enyl)-1-<(1R)-1-(2,6-dichlorophenyl)ethyl>pyrrolidinone