(2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester

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Chemical Name:(2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester
CAS No.:725240-11-9
Molecular Formula:C₃₃H₃₆N₂O₆
Molecular Weight:556.659
Hs Code.:

Synonyms:(2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester

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Chemical Property of (2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester

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Technology Process of (2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester

There total 10 articles about (2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester 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: 81.0%

: 501-53-1,94274-21-2
benzyl chloroformate

: 725240-10-8
2S-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid

: 725240-11-9
(2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester

Guidance literature:: With dmap; N-ethyl-N,N-diisopropylamine; In dichloromethane; at 0 ℃; for 3h;
DOI:10.1021/ol049409+

Reference yield:

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

: 725240-11-9
(2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 98 percent / Na₂CO₃; KOH / H₂O; dioxane / 36 h / 20 - 35 °C

2: Zn; AcOH / 5 h / 20 °C

3: 0.358 g / aq. Na₂CO₃ / dimethylformamide / 1.5 h / 20 °C

4: 81 percent / DIEA; DMAP / CH₂Cl₂ / 3 h / 0 °C

With dmap; potassium hydroxide; sodium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; zinc; In 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1021/ol049409+

Reference yield:

: 543713-61-7
(2S,1'R,2'S)-2-amino-3-(2-nitrocyclopropyl)propionic acid

: 725240-11-9
(2S)-tert-butoxycarbonylamino-(3R)-[(2S)-(9H-fluoren-9-ylmethoxycarbonylamino)cyclopropyl]propionic acid benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 98 percent / Na₂CO₃; KOH / H₂O; dioxane / 36 h / 20 - 35 °C

2: Zn; AcOH / 5 h / 20 °C

3: 0.358 g / aq. Na₂CO₃ / dimethylformamide / 1.5 h / 20 °C

4: 81 percent / DIEA; DMAP / CH₂Cl₂ / 3 h / 0 °C

With dmap; potassium hydroxide; sodium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; zinc; In 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1021/ol049409+