4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]piperazin-1-yl}piperidine-1-carboxylic acid tert-butyl ester

Base Information

Chemical Name:4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]piperazin-1-yl}piperidine-1-carboxylic acid tert-butyl ester
CAS No.:845834-58-4
Molecular Formula:C₂₄H₃₂F₃N₃O₄
Molecular Weight:483.531
Hs Code.:

Synonyms:4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]piperazin-1-yl}piperidine-1-carboxylic acid tert-butyl ester

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Chemical Property of 4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]piperazin-1-yl}piperidine-1-carboxylic acid tert-butyl ester

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Technology Process of 4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]piperazin-1-yl}piperidine-1-carboxylic acid tert-butyl ester

There total 5 articles about 4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]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: 59.0%

: 87120-72-7
1-(tert-butoxycarbonyl)-4-aminopiperidine

: 741687-11-6
(2S)-2-{(2-chloroacetyl)[(1S)-1-(4-trifluoromethylphenyl)ethyl]amino}propionic acid methyl ester

: 845834-58-4
4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]piperazin-1-yl}piperidine-1-carboxylic acid tert-butyl ester

Guidance literature:: With triethylamine; In methanol; Heating;
DOI:10.1016/j.tet.2004.11.057

Reference yield:

: 455-19-6
4-Trifluoromethylbenzaldehyde

: 845834-58-4
4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]piperazin-1-yl}piperidine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 5 steps

1.1: magnesium / diethyl ether / 0.75 h / 20 °C

1.2: 100 percent / diethyl ether / 1.5 h / Heating

2.1: 82.2 percent / CrO₃; sulfuric acid / H₂O; acetone / 0.5 h / 0 °C

3.1: 54.2 percent / Et₃N; sodium triacetoxyborohydride; HOAc / 1,2-dichloro-ethane / 22 h / 20 °C

4.1: 96 percent / CH₂Cl₂ / 3 h / Heating

5.1: 59 percent / Et₃N / methanol / Heating

With chromium(VI) oxide; sulfuric acid; sodium tris(acetoxy)borohydride; magnesium; acetic acid; triethylamine; In methanol; diethyl ether; dichloromethane; water; 1,2-dichloro-ethane; acetone;
DOI:10.1016/j.tet.2004.11.057

Reference yield:

: 709-63-7
1-(4-trifluoromethylphenyl)ethanone

: 845834-58-4
4-{3-methyl-2,5-dioxo-4-[1-(4-trifluoromethylphenyl)ethyl]piperazin-1-yl}piperidine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 54.2 percent / Et₃N; sodium triacetoxyborohydride; HOAc / 1,2-dichloro-ethane / 22 h / 20 °C

2: 96 percent / CH₂Cl₂ / 3 h / Heating

3: 59 percent / Et₃N / methanol / Heating

With sodium tris(acetoxy)borohydride; acetic acid; triethylamine; In methanol; dichloromethane; 1,2-dichloro-ethane;
DOI:10.1016/j.tet.2004.11.057