ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate

Base Information

Chemical Name:ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate
CAS No.:886447-86-5
Molecular Formula:C₁₈H₃₀FN₃O₅
Molecular Weight:387.452
Hs Code.:

Synonyms:ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate

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Chemical Property of ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate

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Technology Process of ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate

There total 1 articles about ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate 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:

: 203866-16-4
1-tert-butyl 2-methyl (2S,4S)-4-fluoropyrrolidine-1,2-dicarboxylate

: 886447-86-5
ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate

Guidance literature:: Multi-step reaction with 2 steps

1: 85 percent / aq. NaOH / tetrahydrofuran / 3 h

2: 61 percent / 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide HCl salt; HOBt; Et₃N / CH₂Cl₂ / 12 h / 20 °C

With sodium hydroxide; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.bmc.2005.11.058

Reference yield:

: 886447-86-5
ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate

: 886447-52-5
ethyl [4-[(4S)-fluoro-1-[3-methoxy-4-[N'-(2-methylphenyl)ureido]phenylacetyl]-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate

Guidance literature:: Multi-step reaction with 2 steps

1: 86 percent / TFA / CH₂Cl₂ / 12 h / 20 °C

2: 88 percent / 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide HCl salt; HOBt; Et₃N / tetrahydrofuran / 12 h / 20 °C

With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; trifluoroacetic acid; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.bmc.2005.11.058

Reference yield:

: 886447-86-5
ethyl [4-[1-(tert-butoxycarbonyl)-(4S)-fluoro-(2S)-pyrrolidinylcarbonyl]-1-piperazinyl]acetate

: [4-((2S,4S)-4-Fluoro-1-{2-[3-methoxy-4-(3-o-tolyl-ureido)-phenyl]-acetyl}-pyrrolidine-2-carbonyl)-piperazin-1-yl]-acetic acid

Guidance literature:: Multi-step reaction with 3 steps

1: 86 percent / TFA / CH₂Cl₂ / 12 h / 20 °C

2: 88 percent / 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide HCl salt; HOBt; Et₃N / tetrahydrofuran / 12 h / 20 °C

3: 33 percent / NaOH / tetrahydrofuran; methanol / 5 h / Heating

With sodium hydroxide; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; trifluoroacetic acid; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1016/j.bmc.2005.11.058