(R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-2-one

Base Information

Chemical Name:(R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-2-one
CAS No.:808186-50-7
Molecular Formula:C₁₈H₁₆ClF₂NO
Molecular Weight:335.781
Hs Code.:

Synonyms:(R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-2-one

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-2-one

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Technology Process of (R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-2-one

There total 6 articles about (R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-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: 95.0%

: 808186-44-9
(R)-5-(2,4-Difluoro-phenyl)-1-((S)-2-hydroxy-1-phenyl-ethyl)-pyrrolidin-2-one

: 808186-50-7
(R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-2-one

Guidance literature:: With thionyl chloride; In tetrahydrofuran; at 0 - 20 ℃;
DOI:10.1016/j.bmcl.2004.09.001

Reference yield:

: 372-18-9
1,3-Difluorobenzene

: 808186-50-7
(R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-2-one

Guidance literature:: Multi-step reaction with 5 steps

1: 80 percent / aluminum chloride / 0 - 80 °C

2: 90 percent / aq. LiOH / tetrahydrofuran

3: 100 percent / toluene / 16 h / Heating

4: 80 percent / TiCl₄; Et₃SiH / CH₂Cl₂ / 16 h / -78 - 20 °C

5: 95 percent / SOCl₂ / tetrahydrofuran / 0 - 20 °C

With triethylsilane; lithium hydroxide; aluminium trichloride; thionyl chloride; titanium tetrachloride; In tetrahydrofuran; dichloromethane; toluene;
DOI:10.1016/j.bmcl.2004.09.001

Reference yield:

: 20989-17-7
(2S)-2-phenylglycinol

: 808186-50-7
(R)-1-((S)-2-Chloro-1-phenyl-ethyl)-5-(2,4-difluoro-phenyl)-pyrrolidin-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: 100 percent / toluene / 16 h / Heating

2: 80 percent / TiCl₄; Et₃SiH / CH₂Cl₂ / 16 h / -78 - 20 °C

3: 95 percent / SOCl₂ / tetrahydrofuran / 0 - 20 °C

With triethylsilane; thionyl chloride; titanium tetrachloride; In tetrahydrofuran; dichloromethane; toluene;
DOI:10.1016/j.bmcl.2004.09.001