methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate

Base Information

Chemical Name:methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate
CAS No.:401519-10-6
Molecular Formula:C₁₈H₂₂F₂N₂O₄
Molecular Weight:368.38
Hs Code.:

Synonyms:methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate

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Chemical Property of methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate

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Technology Process of methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate

There total 4 articles about methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate 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: 97.0%

: 75-03-6
ethyl iodide

: 401519-04-8
methyl {4-cyano-4-[4-(difluoromethoxy)-3-hydroxyphenyl]piperidin-1-yl}acetate

: 401519-10-6
methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 60 ℃; for 3h;
DOI:10.1016/j.bmc.2004.06.032

Reference yield:

: 577968-61-7
3-benzyloxy-4-difluoromethoxyphenylacetonitrile

: 401519-10-6
methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate

Guidance literature:: Multi-step reaction with 5 steps

1.1: LiHMDS / tetrahydrofuran / 1 h / -78 °C

1.2: 79 percent / tetrahydrofuran / 1.5 h / -78 °C

2.1: ozone / CH₂Cl₂ / 0.42 h / -78 °C

2.2: Ph₃P / CH₂Cl₂ / 1.5 h / -78 - 20 °C

3.1: NaBH(OAc)3; AcOH / 1,2-dichloro-ethane / 3 h / 20 °C

4.1: 92 percent / H₂ / Pd/C / ethanol / 2.5 h / atmospheric pressure

5.1: 97 percent / K₂CO₃ / dimethylformamide / 3 h / 60 °C

With hydrogen; sodium tris(acetoxy)borohydride; potassium carbonate; ozone; acetic acid; lithium hexamethyldisilazane; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide;
DOI:10.1016/j.bmc.2004.06.032

Reference yield:

: 581777-67-5
2-(3-benzyloxy-4-difluoromethoxy-phenyl)-4-oxo-2-(2-oxo-ethyl)-butyronitrile

: 401519-10-6
methyl {4-cyano-4-[4-(difluoromethoxy)-3-ethoxyphenyl]piperidin-1-yl}acetate

Guidance literature:: Multi-step reaction with 3 steps

1: NaBH(OAc)3; AcOH / 1,2-dichloro-ethane / 3 h / 20 °C

2: 92 percent / H₂ / Pd/C / ethanol / 2.5 h / atmospheric pressure

3: 97 percent / K₂CO₃ / dimethylformamide / 3 h / 60 °C

With hydrogen; sodium tris(acetoxy)borohydride; potassium carbonate; acetic acid; palladium on activated charcoal; In ethanol; 1,2-dichloro-ethane; N,N-dimethyl-formamide;
DOI:10.1016/j.bmc.2004.06.032