(2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

Base Information

Chemical Name:(2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
CAS No.:1575608-50-2
Molecular Formula:C₂₆H₂₉F₂N₇O
Molecular Weight:493.559
Hs Code.:

Synonyms:(2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

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Chemical Property of (2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

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Technology Process of (2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

There total 4 articles about (2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol 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: 58.6%

: 1575608-59-1
(2R,3R)-3-(2-bromo-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

: 16152-51-5
(4-isopropylphenyl)boronic acid

: 1575608-50-2
(2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; caesium carbonate; In 1,4-dioxane; at 80 ℃; for 8h; Inert atmosphere;
DOI:10.1021/jm4016284

Reference yield:

: 88002-33-9
[1,2,4]-triazolo[1,5-a]pyrazin-2-amine

: 1575608-50-2
(2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

Guidance literature:: Multi-step reaction with 4 steps

1.1: acetic acid; hydrogen bromide; sodium nitrite / water / 2 h / 0 °C

1.2: 8 h / Reflux

2.1: lithium borohydride / ethanol / 6 h / 50 °C

3.1: lithium perchlorate / acetonitrile / 4 h / Microwave irradiation; Reflux

4.1: caesium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,4-dioxane / 8 h / 80 °C / Inert atmosphere

With lithium borohydride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; hydrogen bromide; lithium perchlorate; caesium carbonate; acetic acid; sodium nitrite; In 1,4-dioxane; ethanol; water; acetonitrile;
DOI:10.1021/jm4016284

Reference yield:

: 1359702-68-3
2-bromo-[1,2,4]triazolo[1,5-a]pyrazine

: 1575608-50-2
(2R,3R)-3-(2-(4-isopropylphenyl)-5,6-dihydro-[1,2,4]triazolo[1,5-a]pyrazin-7(8H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

Guidance literature:: Multi-step reaction with 3 steps

1: lithium borohydride / ethanol / 6 h / 50 °C

2: lithium perchlorate / acetonitrile / 4 h / Microwave irradiation; Reflux

3: caesium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,4-dioxane / 8 h / 80 °C / Inert atmosphere

With lithium borohydride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; lithium perchlorate; caesium carbonate; In 1,4-dioxane; ethanol; acetonitrile;
DOI:10.1021/jm4016284