4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester

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Chemical Name:4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester
CAS No.:745810-23-5
Molecular Formula:C₂₆H₃₇F₃N₄O₃
Molecular Weight:510.6
Hs Code.:

Synonyms:4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester

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Chemical Property of 4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester

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Technology Process of 4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester

There total 4 articles about 4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl 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:

: 26771-69-7
2-methoxy-1-(4-(trifluoromethyl)phenyl)ethan-1-one

: 745810-23-5
4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 5 steps

1.1: borane dimethylsulfide; (S)-2-methyl-CBS-oxaborolidine / 1 h

2.1: triethylamine / CH₂Cl₂ / 0.5 h / cooling

3.1: 14.8 g / K₂CO₃ / acetonitrile / 72 h / Heating

4.1: 7.9 g / trifluoroacetic acid / CH₂Cl₂ / 3 h / 20 °C

5.1: Ti(OiPr)4 / CH₂Cl₂ / 20 h / 20 °C

5.2: 13.4 g / CH₂Cl₂; toluene / 20 h

With titanium(IV) isopropylate; dimethylsulfide borane complex; potassium carbonate; triethylamine; trifluoroacetic acid; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole; In dichloromethane; acetonitrile;
DOI:10.1021/jm0304515

Reference yield:

: 612493-93-3
(S)-2-methoxy-1-(4-trifluoromethylphenyl)ethanol

: 745810-23-5
4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: triethylamine / CH₂Cl₂ / 0.5 h / cooling

2.1: 14.8 g / K₂CO₃ / acetonitrile / 72 h / Heating

3.1: 7.9 g / trifluoroacetic acid / CH₂Cl₂ / 3 h / 20 °C

4.1: Ti(OiPr)4 / CH₂Cl₂ / 20 h / 20 °C

4.2: 13.4 g / CH₂Cl₂; toluene / 20 h

With titanium(IV) isopropylate; potassium carbonate; triethylamine; trifluoroacetic acid; In dichloromethane; acetonitrile;
DOI:10.1021/jm0304515

Reference yield:

: 612493-99-9
Methanesulfonic acid (S)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl ester

: 745810-23-5
4-Cyano-4-{(S)-4-[(R)-2-methoxy-1-(4-trifluoromethyl-phenyl)-ethyl]-3-methyl-piperazin-1-yl}-piperidine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 14.8 g / K₂CO₃ / acetonitrile / 72 h / Heating

2.1: 7.9 g / trifluoroacetic acid / CH₂Cl₂ / 3 h / 20 °C

3.1: Ti(OiPr)4 / CH₂Cl₂ / 20 h / 20 °C

3.2: 13.4 g / CH₂Cl₂; toluene / 20 h

With titanium(IV) isopropylate; potassium carbonate; trifluoroacetic acid; In dichloromethane; acetonitrile;
DOI:10.1021/jm0304515