(2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid

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Chemical Name:(2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid
CAS No.:908589-54-8
Molecular Formula:C₂₆H₂₃ClN₂O₃
Molecular Weight:446.933
Hs Code.:

Synonyms:(2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid

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Chemical Property of (2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid

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Technology Process of (2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid

There total 4 articles about (2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid 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: 88.0%

: 908589-45-7
2-tert-butyl-5-[(4-chloro-phenyl)-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-methyl]-5-phenyl-[1,3]dioxolan-4-one

: 908589-54-8
(2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid

Guidance literature:: With potassium hydroxide; In ethanol; at 60 ℃;
DOI:10.1016/j.tet.2006.06.009

Reference yield:

: 908589-38-8
3-[(S)-((2S,4S)-2-tert-Butyl-5-oxo-4-phenyl-[1,3]dioxolan-4-yl)-(4-chloro-phenyl)-methyl]-pentane-2,4-dione

: 908589-54-8
(2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 86 percent / H₂SO₄ / ethanol / Heating

2: 88 percent / KOH / ethanol / 60 °C

With potassium hydroxide; sulfuric acid; In ethanol;
DOI:10.1016/j.tet.2006.06.009

Reference yield:

: 19411-75-7
3-(4-chlorobenzylidene)pentane-2,4-dione

: 908589-54-8
(2S,3R)-3-(4-Chloro-phenyl)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-2-hydroxy-2-phenyl-propionic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: sodium hexamethyldisilazanide; 18-crown-6 / tetrahydrofuran / 0.5 h / -78 °C

1.2: 84 percent / tetrahydrofuran / -78 °C

2.1: 86 percent / H₂SO₄ / ethanol / Heating

3.1: 88 percent / KOH / ethanol / 60 °C

With potassium hydroxide; 18-crown-6 ether; sulfuric acid; sodium hexamethyldisilazane; In tetrahydrofuran; ethanol; 1.2: Michael addition;
DOI:10.1016/j.tet.2006.06.009