(2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

Base Information

Chemical Name:(2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester
CAS No.:866555-34-2
Molecular Formula:C₂₃H₃₃N₃O₆
Molecular Weight:447.532
Hs Code.:

Synonyms:(2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

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Chemical Property of (2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

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Technology Process of (2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

There total 6 articles about (2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic 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: 83.0%

: 866555-33-1
(2S,3S)-2-{[(S)-2-Azido-3-((S)-2-benzyloxycarbonylamino-propionyloxy)-2-methyl-propionyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

: 866555-34-2
(2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

: (S)-2-Benzyloxycarbonylamino-propionic acid (2S,5S)-5-((S)-sec-butyl)-6-methoxy-2,4-dimethyl-3-oxo-2,3,4,5-tetrahydro-pyrazin-2-ylmethyl ester

Guidance literature:: With trimethylphosphane; In tetrahydrofuran; toluene; at 25 ℃; for 2h;
DOI:10.1002/anie.200500702

Reference yield:

: 866555-32-0
(2S,3S)-2-[((S)-2-Azido-3-hydroxy-2-methyl-propionyl)-methyl-amino]-3-methyl-pentanoic acid methyl ester

: 866555-34-2
(2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 96 percent / 1-hydroxy-7-azabenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; iPr₂NEt / CH₂Cl₂ / 24 h / 20 °C

2: 83 percent / PMe₃ / toluene / 2 h / 20 °C

With 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; trimethylphosphane; In dichloromethane; toluene;
DOI:10.1021/ja060064v

Reference yield:

: 866555-30-8
(2S,3S)-2-[(S)-2-Azido-3-(tert-butyl-dimethyl-silanyloxy)-2-methyl-propionylamino]-3-methyl-pentanoic acid methyl ester

: 866555-34-2
(2S,3S)-2-{[(S)-2-((S)-1-Benzyloxycarbonylamino-ethyl)-4-methyl-4,5-dihydro-oxazole-4-carbonyl]-methyl-amino}-3-methyl-pentanoic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 96 percent / NaH / dimethylformamide / 0.75 h / 0 °C

2: 98 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 1 h / 20 °C

3: 96 percent / 1-hydroxy-7-azabenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; iPr₂NEt / CH₂Cl₂ / 24 h / 20 °C

4: 83 percent / PMe₃ / toluene / 2 h / 20 °C

With 1-hydroxy-7-aza-benzotriazole; tetrabutyl ammonium fluoride; sodium hydride; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; trimethylphosphane; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1021/ja060064v