1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one

Base Information

Chemical Name:1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one
CAS No.:325988-95-2
Molecular Formula:C₂₀H₁₈F₂N₆O₃
Molecular Weight:428.398
Hs Code.:

Synonyms:1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one

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Chemical Property of 1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one

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Technology Process of 1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one

There total 7 articles about 1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one 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: 79.0%

: 325988-94-1
1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2-hydroxy-3-(isopropoxy-dimethyl-silanyl)-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one

: 325988-95-2
1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one

Guidance literature:: With dihydrogen peroxide; sodium hydrogencarbonate; In tetrahydrofuran; methanol; at 50 ℃; for 3h;
DOI:10.1248/cpb.48.1935

Reference yield:

: 14213-13-9
4-tetrazol-1-yl-phenylamine

: 325988-95-2
1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one

Guidance literature:: Multi-step reaction with 6 steps

1.1: 88 percent / pyridine / CH₂Cl₂ / 0.5 h / 0 °C

2.1: 99 percent / pyridine / 3 h / 50 °C

3.1: 79 percent / aq. HCl / methanol / 14 h / 20 °C

4.1: NaH / 1-methyl-pyrrolidin-2-one / 1 h / 20 °C

4.2: 34 percent / 1-methyl-pyrrolidin-2-one; tetrahydrofuran / 0.5 h / -20 °C

5.1: 20 percent / tetrahydrofuran / 3 h / -5 °C

6.1: 79 percent / 30 percent aq. H₂O₂; NaHCO₃ / methanol; tetrahydrofuran / 3 h / 50 °C

With pyridine; hydrogenchloride; dihydrogen peroxide; sodium hydride; sodium hydrogencarbonate; In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; methanol; dichloromethane;
DOI:10.1248/cpb.48.1935

Reference yield:

: 350-46-9,178603-76-4
4-Fluoronitrobenzene

: 325988-95-2
1-[(1R,2S)-2-(2,4-Difluoro-phenyl)-2,3-dihydroxy-1-methyl-propyl]-3-(4-tetrazol-1-yl-phenyl)-1,3-dihydro-imidazol-2-one

Guidance literature:: Multi-step reaction with 7 steps

1.1: K₂CO₃ / dimethylformamide / 10 h / 70 - 75 °C

1.2: 44 percent / N₂H₄*H₂O; FeCl₃; activated carbon / tetrahydrofuran; methanol / 10 h / 50 °C

2.1: 88 percent / pyridine / CH₂Cl₂ / 0.5 h / 0 °C

3.1: 99 percent / pyridine / 3 h / 50 °C

4.1: 79 percent / aq. HCl / methanol / 14 h / 20 °C

5.1: NaH / 1-methyl-pyrrolidin-2-one / 1 h / 20 °C

5.2: 34 percent / 1-methyl-pyrrolidin-2-one; tetrahydrofuran / 0.5 h / -20 °C

6.1: 20 percent / tetrahydrofuran / 3 h / -5 °C

7.1: 79 percent / 30 percent aq. H₂O₂; NaHCO₃ / methanol; tetrahydrofuran / 3 h / 50 °C

With pyridine; hydrogenchloride; dihydrogen peroxide; sodium hydride; sodium hydrogencarbonate; potassium carbonate; In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1248/cpb.48.1935