(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Base Information

Chemical Name:(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
CAS No.:105344-46-5
Molecular Formula:C₂₉H₃₆N₂O₆SSi
Molecular Weight:568.766
Hs Code.:

(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Synonyms:(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

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Chemical Property of (4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

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Technology Process of (4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

There total 13 articles about (4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl 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: 28.0%

: 108-98-5
thiophenol

: 158168-62-8
(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-(2-diethylcarbamoyl-benzenesulfinyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

: 105344-46-5
(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

: 158168-59-3
(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-(2-diethylcarbamoyl-phenylsulfanyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Guidance literature:: With N-ethyl-N,N-diisopropylamine; magnesium bromide; In tetrahydrofuran; for 0.666667h; Ambient temperature;
DOI:10.1016/S0040-4039(97)01239-2

Reference yield:

: 93711-85-4,97101-07-0,113033-46-8,120710-59-0,120710-60-3,90776-58-2
(2R)-2-[(2S,3S)-3-{(1R)-1-(t-butyldimethylsilyloxy)ethyl}-4-oxoazetidin-2-yl]propionic acid

: 105344-46-5
(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 9 steps

1: 90 percent / K₂CO₃ / acetone / 4 h / Heating

2: 100 percent / NaH / tetrahydrofuran / 2 h / 0 °C

3: 100 percent / H₂ / 10percent Pd/C / ethanol / 760 Torr / Ambient temperature

4: Et₃N / CH₂Cl₂ / 1 h

5: CH₂Cl₂ / 1 h

6: 86 percent / anisole, TiCl₄ / CH₂Cl₂ / 1 h / 0 °C

7: 93 percent / γ-collidine / dimethylformamide / 1.5 h / 65 °C

8: 96 percent / imidazole / dimethylformamide / 5 h / Ambient temperature

9: 1.) NaH, 2.) benzyl bromide / 1.) toluene, THF, -20 deg C, 0.5 h, 2.) toluene, THF, 1.5 h

With 1H-imidazole; 2,4,6-trimethyl-pyridine; hydrogen; benzyl bromide; titanium tetrachloride; sodium hydride; potassium carbonate; methoxybenzene; triethylamine; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide; acetone;
DOI:10.1248/cpb.42.1381

Reference yield:

: 96035-98-2
(3S,4S)-4-<(1R)-1-benzyloxycarbonylethyl>-3-<(1R)-1-tert-butyldimethylsilyloxyethyl>-2-azetidinone

: 105344-46-5
(4R,5S,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-methyl-7-oxo-3-phenylsulfanyl-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 8 steps

1: 100 percent / NaH / tetrahydrofuran / 2 h / 0 °C

2: 100 percent / H₂ / 10percent Pd/C / ethanol / 760 Torr / Ambient temperature

3: Et₃N / CH₂Cl₂ / 1 h

4: CH₂Cl₂ / 1 h

5: 86 percent / anisole, TiCl₄ / CH₂Cl₂ / 1 h / 0 °C

6: 93 percent / γ-collidine / dimethylformamide / 1.5 h / 65 °C

7: 96 percent / imidazole / dimethylformamide / 5 h / Ambient temperature

8: 1.) NaH, 2.) benzyl bromide / 1.) toluene, THF, -20 deg C, 0.5 h, 2.) toluene, THF, 1.5 h

With 1H-imidazole; 2,4,6-trimethyl-pyridine; hydrogen; benzyl bromide; titanium tetrachloride; sodium hydride; methoxybenzene; triethylamine; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1248/cpb.42.1381