(R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl ester

Base Information

Chemical Name:(R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl ester
CAS No.:823806-92-4
Molecular Formula:C₃₅H₅₂N₄O₇
Molecular Weight:640.82
Hs Code.:

(R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl ester

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Chemical Property of (R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl ester

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Technology Process of (R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl ester

There total 7 articles about (R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl 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:

: 5845-53-4,6322-53-8,7517-19-3
(R)-leucine methyl ester hydrochloride

: 823806-92-4
(R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: NaHCO₃ / CH₂Cl₂; toluene / 0.5 h

2: CH₂Cl₂ / 6 h

3: aq. LiOH / dioxane / 2 h

4: HATU; diisopropylethylamine / dimethylformamide / 8 h

With lithium hydroxide; sodium hydrogencarbonate; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jm049566e

Reference yield:

: 244092-76-0
(R)-N-(tert-butoxycarbonyl)-3-amino-4-phenyl-1-butene

: 823806-92-4
(R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: m-chloroperbenzoic acid / CH₂Cl₂

2: propan-2-ol / 12 h / Heating

3: CH₂Cl₂ / 6 h

4: aq. LiOH / dioxane / 2 h

5: HATU; diisopropylethylamine / dimethylformamide / 8 h

With lithium hydroxide; N-ethyl-N,N-diisopropylamine; 3-chloro-benzenecarboperoxoic acid; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide; isopropyl alcohol;
DOI:10.1021/jm049566e

Reference yield:

: 156474-22-5
tert-butyl [(2R,3S)]-(-)-(1-oxiranyl-2-phenylethyl)carbamate

: 823806-92-4
(R)-2-{(R)-2-[3-Benzyl-3-((2R,3R)-3-tert-butoxycarbonylamino-2-hydroxy-4-phenyl-butyl)-ureido]-4-methyl-pentanoylamino}-3-methyl-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: propan-2-ol / 12 h / Heating

2: CH₂Cl₂ / 6 h

3: aq. LiOH / dioxane / 2 h

4: HATU; diisopropylethylamine / dimethylformamide / 8 h

With lithium hydroxide; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide; isopropyl alcohol;
DOI:10.1021/jm049566e