(4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-methyl ester

Base Information

Chemical Name:(4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-methyl ester
CAS No.:670233-33-7
Molecular Formula:C₂₀H₂₄N₂O₆
Molecular Weight:388.42
Hs Code.:

Synonyms:(4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-methyl ester

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Chemical Property of (4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-methyl ester

Chemical Property:

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Technology Process of (4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-methyl ester

There total 5 articles about (4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-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:

: 670233-32-6
(4S,5R)-4-((E)-2-Bromo-1-methoxycarbonyl-propenylcarbamoyl)-2,2,5-trimethyl-oxazolidine-3-carboxylic acid benzyl ester

: 670233-33-7
(4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-methyl ester

Guidance literature:: With caesium carbonate; In 1,4-dioxane;
DOI:10.1246/cl.2004.72

Reference yield:

: 3373-59-9
L-threonine methyl ester

: 670233-33-7
(4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: 92 percent / DCC; HOBt / dimethylformamide

2.1: MsCl; NEt₃ / CHCl₃

2.2: DBU / CHCl₃

3.1: NBS / tetrahydrofuran

3.2: Et₃N / tetrahydrofuran

4.1: Cs₂CO₃ / dioxane

With N-Bromosuccinimide; benzotriazol-1-ol; caesium carbonate; methanesulfonyl chloride; triethylamine; dicyclohexyl-carbodiimide; In tetrahydrofuran; 1,4-dioxane; chloroform; N,N-dimethyl-formamide;
DOI:10.1246/cl.2004.72

Reference yield:

: 160821-18-1
(4S,5R)-3-((benzyloxy)carbonyl)-2,2,5-trimethyloxazolidine-4-carboxylic acid

: 670233-33-7
(4'S,5'R)-5,2',2',5'-Tetramethyl-4',5'-dihydro-[2,4']bioxazolyl-4,3'-dicarboxylic acid 3'-benzyl ester 4-methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: 92 percent / DCC; HOBt / dimethylformamide

2.1: MsCl; NEt₃ / CHCl₃

2.2: DBU / CHCl₃

3.1: NBS / tetrahydrofuran

3.2: Et₃N / tetrahydrofuran

4.1: Cs₂CO₃ / dioxane

With N-Bromosuccinimide; benzotriazol-1-ol; caesium carbonate; methanesulfonyl chloride; triethylamine; dicyclohexyl-carbodiimide; In tetrahydrofuran; 1,4-dioxane; chloroform; N,N-dimethyl-formamide;
DOI:10.1246/cl.2004.72