{2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester

Base Information

• Chemical Name: {2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester
• CAS No.: 250248-71-6
• Molecular Formula: C₁₆H₁₉NO₃
• Molecular Weight: 273.332

Synonyms:{2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester

Chemical Property of {2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester

Chemical Property:

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Technology Process of {2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester

There total 4 articles about {2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester 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: 86.0%

(E)-3-phenylmethylene-2-piperidinone (53031-80-4,154476-94-5) + ethyl bromoacetate (105-36-2) → {2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester (250248-71-6)

Guidance literature:

With lithium hexamethyldisilazane; In tetrahydrofuran; at 0 - 20 ℃;

DOI:10.1016/S0960-894X(99)00448-5

Reference yield:

piperidin-2-one (675-20-7) → {2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester (250248-71-6)

Guidance literature:

Multi-step reaction with 3 steps

1: 80 percent / DMAP; Et₃N / CH₂Cl₂ / 0 - 20 °C

2: 33 percent / NaH; AcOH / methanol; tetrahydrofuran / 5 - 20 °C

3: 86 percent / lithium bis-trimethylsilylamide / tetrahydrofuran / 0 - 20 °C

With dmap; sodium hydride; acetic acid; triethylamine; lithium hexamethyldisilazane; In tetrahydrofuran; methanol; dichloromethane; 1: protection / 2: Condensation / 3: Alkylation;

DOI:10.1016/S0960-894X(99)00448-5

Reference yield:

N-acetyl-2-piperidone (3326-13-4) → {2-Oxo-3-[1-phenyl-meth-(E)-ylidene]-piperidin-1-yl}-acetic acid ethyl ester (250248-71-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 56 percent / NaH; AcOH / methanol; tetrahydrofuran / 5 - 20 °C

2: 86 percent / lithium bis-trimethylsilylamide / tetrahydrofuran / 0 - 20 °C

With sodium hydride; acetic acid; lithium hexamethyldisilazane; In tetrahydrofuran; methanol; 1: Condensation / 2: Alkylation;

DOI:10.1016/S0960-894X(99)00448-5

upstream raw materials:

(E)-3-phenylmethylene-2-piperidinone

ethyl bromoacetate

piperidin-2-one

N-acetyl-2-piperidone

Downstream raw materials:

[(R)-3-Hydroxy-3-((S)-hydroxy-phenyl-methyl)-2-oxo-piperidin-1-yl]-acetic acid ethyl ester

((4S,5R)-2,2,6-Trioxo-4-phenyl-1,3-dioxa-2λ⁶-thia-7-aza-spiro[4.5]dec-7-yl)-acetic acid ethyl ester

((4S,5R)-2,6-Dioxo-4-phenyl-1,3-dioxa-7-aza-spiro[4.5]dec-7-yl)-acetic acid ethyl ester

((4S,5R)-6-Oxo-4-phenyl-2-thioxo-1,3-dioxa-7-aza-spiro[4.5]dec-7-yl)-acetic acid ethyl ester

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