(2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde

Base Information

Chemical Name:(2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde
CAS No.:170862-56-3
Molecular Formula:C₁₃H₁₃F₂N₃O₂
Molecular Weight:281.262
Hs Code.:

Synonyms:(2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde

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Chemical Property of (2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde

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Technology Process of (2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde

There total 8 articles about (2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde 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: 75.0%

: 170862-53-0
(2S,3R)-3-(2,4-difluorophenyl)-2-methyl-4-(1H-1,2,4-triazol-1-yl)butane-1,3-diol

: 170862-56-3
(2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde

Guidance literature:: (2S,3R)-3-(2,4-difluorophenyl)-2-methyl-4-(1H-1,2,4-triazol-1-yl)butane-1,3-diol; With oxalyl dichloride; dimethyl sulfoxide; In dichloromethane; at -60 ℃; for 0.5h;

With triethylamine; In dichloromethane;

Reference yield: 68.0%

: 170862-36-9
(2S,3R)-3-(2,4-difluorophenyl)-3-hydroxy-2-methyl-4-(1H-1,2,4-triazol-1-yl)butanenitrile

: 170862-56-3
(2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde

Guidance literature:: With diisobutylaluminium hydride; In dichloromethane; at -70 ℃; for 0.0833333h;
DOI:10.1248/cpb.46.623

Reference yield:

: 170862-47-2
(S)-1-(2,4-Difluoro-phenyl)-2-methyl-3-trityloxy-propan-1-one

: 170862-56-3
(2R,3R)-3-(2,4-Difluoro-phenyl)-3-hydroxy-2-methyl-4-[1,2,4]triazol-1-yl-butyraldehyde

Guidance literature:: Multi-step reaction with 4 steps

1: nBuLi / tetrahydrofuran / 1.) -70 deg C, 5 min, 2.) RT, 1 h

2: 1.) NaH / 1.) DMF, 0 deg C, 2.) DMF, 60 deg C, overnight

3: p-TsOH / methanol / 4 h / Ambient temperature

4: 1.) (COCl)2, DMSO, 2.) Et₃N / 1.) CH₂Cl₂, -78 deg C, 30 min, 2.) CH₂Cl₂, from -78 deg C to RT

With n-butyllithium; oxalyl dichloride; sodium hydride; toluene-4-sulfonic acid; dimethyl sulfoxide; triethylamine; In tetrahydrofuran; methanol;
DOI:10.1248/cpb.46.1125