5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-2-one

Base Information

• Chemical Name: 5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-2-one
• CAS No.: 146395-78-0
• Molecular Formula: C₁₈H₂₃Cl₂NO₃
• Molecular Weight: 372.292

Synonyms:5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-2-one

Chemical Property of 5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-2-one

Chemical Property:

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Technology Process of 5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-2-one

There total 6 articles about 5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-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: 75.0%

Ethyl γ-(2-tetrahydropyranyloxyethyl)-γ-cyano-γ-(3,4-dichlorophenyl)butanoate (146395-77-9) → 5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-2-one (146395-78-0)

Guidance literature:

With ammonia; hydrogen; nickel; In ethanol; at 20 ℃; for 14h;

DOI:10.1021/jm0209331

Reference yield:

2-(2-bromoethoxy)tetrahydropyran (17739-45-6,59146-56-4) → 5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-2-one (146395-78-0)

Guidance literature:

Multi-step reaction with 3 steps

1: NaH / dimethylformamide

2: LDA / tetrahydrofuran / -78 - 20 °C

3: H₂ / Raney nickel / methanol

With hydrogen; sodium hydride; lithium diisopropyl amide; nickel; In tetrahydrofuran; methanol; N,N-dimethyl-formamide;

DOI:10.1016/S0960-894X(03)00343-3

Reference yield:

3,4-dichloro-benzeneacetonitrile (3218-49-3) → 5-(3,4-dichlorophenyl)-5-[2-(tetrahydropyran-2-yloxy) ethyl]piperidine-2-one (146395-78-0)

Guidance literature:

Multi-step reaction with 3 steps

1: NaH / dimethylformamide

2: LDA / tetrahydrofuran / -78 - 20 °C

3: H₂ / Raney nickel / methanol

With hydrogen; sodium hydride; lithium diisopropyl amide; nickel; In tetrahydrofuran; methanol; N,N-dimethyl-formamide;

DOI:10.1016/S0960-894X(03)00343-3

upstream raw materials:

Ethyl γ-(2-tetrahydropyranyloxyethyl)-γ-cyano-γ-(3,4-dichlorophenyl)butanoate

2-(2-bromoethoxy)tetrahydropyran

3,4-dichloro-benzeneacetonitrile

α-[2-(Tetrahydropyran-2-yloxy)ethyl]-3,4-dichlorophenyl-acetonitrile

Downstream raw materials:

5-Tetrahydropyranyloxyethyl-5-(3,4-dichlorophenyl)-1-benzylpiperidinone

5-(3,4-dichloro-phenyl)-1-(4-methyl-benzyl)-5-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-piperidin-2-one

5-(3,4-dichloro-phenyl)-1-(2-methyl-benzyl)-5-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-piperidin-2-one

5-(3,4-Dichlorophenyl)-5-(2-hydroxyethyl)-2(1H)-piperidone

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