(3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone

Base Information

Chemical Name:(3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone
CAS No.:105318-31-8
Molecular Formula:C₂₉H₃₈N₂O₇SSi
Molecular Weight:586.781
Hs Code.:

Synonyms:(3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone

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Chemical Property of (3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone

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Technology Process of (3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone

There total 9 articles about (3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone 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: 96.0%

: 18162-48-6
tert-butyldimethylsilyl chloride

: 105318-30-7
(3S,4S)-3-<(1R)-1-hydroxyethyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone

: 105318-31-8
(3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone

Guidance literature:: With 1H-imidazole; In N,N-dimethyl-formamide; for 5h; Ambient temperature;
DOI:10.1248/cpb.42.1381

Reference yield:

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

: 105318-31-8
(3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone

Guidance literature:: Multi-step reaction with 7 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

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

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

: 105318-31-8
(3S,4S)-3-<(1R)-1-tert-butyldimethylsilyloxythyl>-1-(p-nitrobenzyloxycarbonylmethyl)-4-<(1R)-1-phenylthiocarbonylethyl>-2-azetidinone

Guidance literature:: Multi-step reaction with 8 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

With 1H-imidazole; 2,4,6-trimethyl-pyridine; hydrogen; 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