4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

Base Information

Chemical Name:4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester
CAS No.:847671-87-8
Molecular Formula:C₃₀H₄₂N₂O₁₂S
Molecular Weight:654.736
Hs Code.:

4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2<i>H</i>-pyrazine-1-carboxylic acid <i>tert</i>-butyl ester

Synonyms:4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

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Chemical Property of 4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

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Technology Process of 4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

There total 6 articles about 4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-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:

: (E)-(S)-2-tert-Butoxycarbonylamino-hex-4-enoic acid

: 847671-87-8
4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 2,2,2-trifluoro-ethanol / 20 - 50 °C

2: t-BuOK; 4 Angstroem molecular sieves / tetrahydrofuran / 0 °C

3: aq. NaBH₄ / tetrahydrofuran

4: TBAF / tetrahydrofuran / 50 °C

5: pyridine

With pyridine; sodium tetrahydroborate; 4 A molecular sieve; potassium tert-butylate; tetrabutyl ammonium fluoride; In tetrahydrofuran; 2,2,2-trifluoroethanol; 1: Ugi four-component condensation;
DOI:10.1039/b415030a

Reference yield:

: 2-but-2-enyl-4-[2-(tert-butyl-diphenyl-silanyloxy)-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-hydroxymethyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

: 847671-87-8
4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: TBAF / tetrahydrofuran / 50 °C

2: pyridine

With pyridine; tetrabutyl ammonium fluoride; In tetrahydrofuran;
DOI:10.1039/b415030a

Reference yield:

: 2-but-2-enyl-4-[2-(tert-butyl-diphenyl-silanyloxy)-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-3-oxo-5-(2-oxo-oxazolidine-3-carbonyl)-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

: 847671-87-8
4-[2-acetoxy-1-(2-methanesulfonyloxy-3,5-dimethoxy-4-methyl-phenyl)-ethyl]-5-acetoxymethyl-2-but-2-enyl-3-oxo-3,4-dihydro-2H-pyrazine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: aq. NaBH₄ / tetrahydrofuran

2: TBAF / tetrahydrofuran / 50 °C

3: pyridine

With pyridine; sodium tetrahydroborate; tetrabutyl ammonium fluoride; In tetrahydrofuran;
DOI:10.1039/b415030a