4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

Base Information

Chemical Name:4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester
CAS No.:306298-17-9
Molecular Formula:C₂₂H₂₈F₃N₃O₂
Molecular Weight:423.478
Hs Code.:

4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid <i>tert</i>-butyl ester

Synonyms:4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

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Chemical Property of 4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

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Technology Process of 4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

There total 1 articles about 4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-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: 92.0%

: 106-95-6
allyl bromide

: 306296-77-5
4-[cyano-(4-trifluoromethyl-phenyl)-methyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

: 306298-17-9
4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

Guidance literature:: 4-[cyano-(4-trifluoromethyl-phenyl)-methyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester; With sodium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃; for 0.0833333h;

allyl bromide; In tetrahydrofuran; at -78 - 20 ℃; for 1h;

Reference yield:

: 306298-17-9
4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

: 4-[1-cyano-1-(4-trifluoromethyl-phenyl)-butyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

Guidance literature:: With hydrogen; palladium on activated charcoal; In methanol; at 20 ℃;
DOI:10.1021/jm0304515

Reference yield:

: 306298-17-9
4-[1-cyano-1-(4-trifluoromethyl-phenyl)-but-3-enyl]-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

: 306298-20-4
(S)-2-Methyl-1-[(S)-1-(4-trifluoromethyl-phenyl)-butyl]-piperazine

Guidance literature:: Multi-step reaction with 3 steps

1: H₂ / Pd/C / methanol / 20 °C

2: 1.95 g / MgBr₂*OEt₂; sodium triacetoxy borohydride / acetonitrile / 20 h

3: 1.35 g / trifluoroacetic acid / CH₂Cl₂ / 1.5 h / 20 °C

With hydrogen; sodium tris(acetoxy)borohydride; trifluoroacetic acid; magnesium bromide; palladium on activated charcoal; In methanol; dichloromethane; acetonitrile;
DOI:10.1021/jm0304515