(4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Base Information

Chemical Name:(4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
CAS No.:864852-81-3
Molecular Formula:C₂₈H₄₂N₂O₈S
Molecular Weight:566.716
Hs Code.:

(4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Synonyms:(4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

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Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of (4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

There total 6 articles about (4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl 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%

: 864764-46-5
(5S)-((Z)-2-bromo-2-methoxycarbonyl-vinyl)-(4S)-isobutyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

: 500586-84-5
2-tolylsulfonyl N-methylacetamide

: 864852-81-3
(4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Guidance literature:: With sodium hydride; In tetrahydrofuran; at 20 ℃;
DOI:10.1021/jo050740w

Reference yield:

: 864238-48-2
(4S,5S)-isobutyl-5-methoxycarbonylethynyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

: 864852-81-3
(4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: 90 percent / quinoline; hydrogen / Lindlar Pd / benzene / 760 Torr

2.1: ozone / CH₂Cl₂ / -78 °C

2.2: 99 percent / PPh₃ / CH₂Cl₂ / -78 - 20 °C

3.1: 89 percent / toluene; CH₂Cl₂ / 4 h / 80 °C

4.1: 81 percent / sodium hydride / tetrahydrofuran; various solvent(s) / 20 °C

With quinoline; hydrogen; sodium hydride; ozone; Lindlar's catalyst; In tetrahydrofuran; dichloromethane; toluene; benzene; 1.1: Lindlar hydrogenation / 3.1: Wittig olefination;
DOI:10.1021/jo050740w

Reference yield:

: 58521-45-2
tert-butoxycarbonyl-L-leucinal

: 864852-81-3
(4S)-isobutyl-(5S)-(2-methoxycarbonyl-1-methyl-5-oxo-4-(toluene-4-sulfonyl)-pyrrolidin-3-yl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 6 steps

1.1: CeCl₃ / tetrahydrofuran / -78 - 20 °C

1.2: 72 percent / tetrahydrofuran / 3 h / -78 °C

2.1: acetone / 0.08 h / Heating

2.2: 64 percent / TsOH / acetone / 2 h / Heating

3.1: 90 percent / quinoline; hydrogen / Lindlar Pd / benzene / 760 Torr

4.1: ozone / CH₂Cl₂ / -78 °C

4.2: 99 percent / PPh₃ / CH₂Cl₂ / -78 - 20 °C

5.1: 89 percent / toluene; CH₂Cl₂ / 4 h / 80 °C

6.1: 81 percent / sodium hydride / tetrahydrofuran; various solvent(s) / 20 °C

With quinoline; cerium(III) chloride; hydrogen; sodium hydride; ozone; Lindlar's catalyst; In tetrahydrofuran; dichloromethane; acetone; toluene; benzene; 3.1: Lindlar hydrogenation / 5.1: Wittig olefination;
DOI:10.1021/jo050740w