[2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid tert-butyl ester

Base Information

Chemical Name:[2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid tert-butyl ester
CAS No.:251308-69-7
Molecular Formula:C₂₃H₃₄N₂O₄
Molecular Weight:402.534
Hs Code.:

[2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid <i>tert</i>-butyl ester

Synonyms:[2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid tert-butyl ester

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Chemical Property of [2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid tert-butyl ester

Chemical Property:

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Technology Process of [2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid tert-butyl ester

There total 6 articles about [2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic 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: 85.0%

: 5292-43-3
bromoacetic acid tert-butyl ester

: 251308-55-1
(S)-3-Butyl-1-(3-phenyl-propyl)-piperazine-2,5-dione

: 251308-69-7
[2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid tert-butyl ester

Guidance literature:: With sodium hydride; In N,N-dimethyl-formamide;
DOI:10.1016/S0960-894X(99)00418-7

Reference yield:

: 2038-57-5
3-Phenylpropan-1-amine

: 251308-69-7
[2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 48 percent / Et₃N / methanol

2: DIPCDI; HOAt; DIEA / dimethylformamide

3: 100 percent / TFA / CH₂Cl₂

4: 70 percent / Et₃N / methanol / Heating

5: 85 percent / NaH / dimethylformamide

With 1-hydroxy-7-aza-benzotriazole; 1,3-di-tert-butylcarbodiimide; sodium hydride; triethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; In methanol; dichloromethane; N,N-dimethyl-formamide; 1: Condensation / 2: Condensation / 3: deprotection / 4: Cyclization / 5: Alkylation;
DOI:10.1016/S0960-894X(99)00418-7

Reference yield:

: 6404-28-0
Boc-Nle-OH

: 251308-69-7
[2-butyl-3,6-dioxo-4-(3-phenyl-propyl)-piperazin-1-yl]-acetic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: DIPCDI; HOAt; DIEA / dimethylformamide

2: 100 percent / TFA / CH₂Cl₂

3: 70 percent / Et₃N / methanol / Heating

4: 85 percent / NaH / dimethylformamide

With 1-hydroxy-7-aza-benzotriazole; 1,3-di-tert-butylcarbodiimide; sodium hydride; triethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; In methanol; dichloromethane; N,N-dimethyl-formamide; 1: Condensation / 2: deprotection / 3: Cyclization / 4: Alkylation;
DOI:10.1016/S0960-894X(99)00418-7