tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate

Base Information

Chemical Name:tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate
CAS No.:1383733-45-6
Molecular Formula:C₂₀H₂₂F₅N₃O₂
Molecular Weight:431.406
Hs Code.:

Synonyms:tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate

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Chemical Property of tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate

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Technology Process of tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate

There total 7 articles about tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate 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:

: 1383733-44-5
tert-butyl {(3S,5S)-5-(2,3-difluorophenyl)-2-[(4,4,4-trifluoro-2-hydroxybutyl)imino]piperidin-3-yl}carbamate

: 1383733-45-6
tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate

Guidance literature:: With dipyridinium dichromate; In acetonitrile; at 60 ℃; for 78.5h;

Reference yield:

: methyl 2-[(tert-butoxycarbonyl)amino]-4-cyano-4-(2,3-difluorophenyl)butanoate

: 1383733-45-6
tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate

Guidance literature:: Multi-step reaction with 4 steps

1.1: hydrogen / 20% palladium hydroxide-activated charcoal / methanol / 1.5 h / 2585.81 Torr

1.2: Chiral Pak_.(R). AD_.(R). column

2.1: Lawessons reagent / toluene / 16 h / 40 °C

3.1: triethylamine; mercury dichloride / ethanol / 0.17 h

4.1: dipyridinium dichromate / acetonitrile / 78.5 h / 60 °C

With Lawessons reagent; dipyridinium dichromate; hydrogen; triethylamine; mercury dichloride; 20% palladium hydroxide-activated charcoal; In methanol; ethanol; toluene; acetonitrile;

Reference yield:

: 145689-34-5
2-(2,3-difluorophenyl)acetonitrile

: 1383733-45-6
tert-butyl {(6S,8S)-6-(2,3-difluorophenyl)-3-(2,2,2-trifluoroethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-8-yl}carbamate

Guidance literature:: Multi-step reaction with 5 steps

1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.33 h / 0 °C

1.2: 0.83 h

2.1: hydrogen / 20% palladium hydroxide-activated charcoal / methanol / 1.5 h / 2585.81 Torr

2.2: Chiral Pak_.(R). AD_.(R). column

3.1: Lawessons reagent / toluene / 16 h / 40 °C

4.1: triethylamine; mercury dichloride / ethanol / 0.17 h

5.1: dipyridinium dichromate / acetonitrile / 78.5 h / 60 °C

With Lawessons reagent; dipyridinium dichromate; hydrogen; sodium hydride; triethylamine; mercury dichloride; 20% palladium hydroxide-activated charcoal; In methanol; ethanol; N,N-dimethyl-formamide; toluene; acetonitrile; mineral oil;