1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate

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Chemical Name:1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate
CAS No.:1332333-27-3
Molecular Formula:C₁₈H₂₂BrFN₄O₃
Molecular Weight:441.3
Hs Code.:

Synonyms:1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate

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Chemical Property of 1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate

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Technology Process of 1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate

There total 5 articles about 1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate 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: 39.0%

: 1332333-26-2
1,1-dimethylethyl (3S)-3-[2-(2-{[(4-bromo-2-fluorophenyl)amino]carbonyl}hydrazino)-2-oxoethyl]-1-pyrrolidinecarboxylate

: 1332333-27-3
1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate

Guidance literature:: 1,1-dimethylethyl (3S)-3-[2-(2-{[(4-bromo-2-fluorophenyl)amino]carbonyl}hydrazino)-2-oxoethyl]-1-pyrrolidinecarboxylate; With potassium carbonate; In water; isopropyl alcohol; at 140 ℃; for 16h;

With di-tert-butyl dicarbonate; sodium hydroxide; In water; isopropyl alcohol; at 20 ℃;

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: C₁₃H₁₄BrFN₄O

: 1332333-27-3
1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate

Guidance literature:: With sodium hydroxide; In water; at 20 ℃; for 72h;

Reference yield:

: 204688-61-9
2‐[(3S)‐1‐[(tert‐butoxy)carbonyl]pyrrolidin‐3‐yl]acetic acid

: 1332333-27-3
1,1-dimethylethyl (3S)-3-{[4-(4-bromo-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-1-pyrrolidinecarboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dmap / diethyl ether; ethanol / 20 °C

2.1: hydrazine hydrate / ethanol / 80 °C

3.1: dichloromethane / 0.5 h / 0 - 20 °C

4.1: potassium carbonate / isopropyl alcohol; water / 16 h / 140 °C

4.2: 20 °C

With potassium carbonate; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap; In diethyl ether; ethanol; dichloromethane; water; isopropyl alcohol;