Carbonic acid, 1-[2-[2-cyclopropyl-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1-[(1,1- dimethylethyl)dimethylsilyl]-4-oxo-3-azetidinyl]ethyl (2-nitrophenyl)methyl ester

Base Information

Chemical Name:Carbonic acid, 1-[2-[2-cyclopropyl-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1-[(1,1- dimethylethyl)dimethylsilyl]-4-oxo-3-azetidinyl]ethyl (2-nitrophenyl)methyl ester
CAS No.:91504-08-4
Molecular Formula:C30H50N2O7Si2
Molecular Weight:606.907
Hs Code.:

Carbonic acid,
1-[2-[2-cyclopropyl-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1-[(1,1-
dimethylethyl)dimethylsilyl]-4-oxo-3-azetidinyl]ethyl (2-nitrophenyl)methyl
ester

Synonyms:

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Chemical Property of Carbonic acid, 1-[2-[2-cyclopropyl-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1-[(1,1- dimethylethyl)dimethylsilyl]-4-oxo-3-azetidinyl]ethyl (2-nitrophenyl)methyl ester

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Technology Process of Carbonic acid, 1-[2-[2-cyclopropyl-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1-[(1,1- dimethylethyl)dimethylsilyl]-4-oxo-3-azetidinyl]ethyl (2-nitrophenyl)methyl ester

There total 20 articles about Carbonic acid, 1-[2-[2-cyclopropyl-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1-[(1,1- dimethylethyl)dimethylsilyl]-4-oxo-3-azetidinyl]ethyl (2-nitrophenyl)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:

: 64221-82-5
4-(2-acetoxy-(E)-vinyl)-2-azetidinone

: 91504-08-4
Carbonic acid 1-{(2R,3R)-1-(tert-butyl-dimethyl-silanyl)-2-[2-(tert-butyl-dimethyl-silanyloxy)-2-cyclopropyl-ethyl]-4-oxo-azetidin-3-yl}-ethyl ester 2-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 10 steps

1: 100 percent / H₂ / 10percent Pd/C / ethyl acetate / 3 h

2: 90 percent / NaOMe / methanol / 1 h / 0 °C

3: tetrahydrofuran

4: triethylamine / dimethylformamide / Ambient temperature

5: 30percent aqueous acetic acid / methanol / 0.5 h / Ambient temperature

6: 44 percent / chromium trioxide dipyridine complex / CH₂Cl₂ / 0.5 h / 0 °C

7: 85 percent / tetrahydrofuran; diethyl ether / Ambient temperature

8: 90 percent / triethylamine / dimethylformamide / 6 h

9: 70 percent / lithium diisopropylamide / tetrahydrofuran / -78 °C

10: 4-(N,N-dimethylamino)pyridine / CH₂Cl₂ / 1.5 h

With dmap; 2,2'-bipyridine-chromium(VI) oxide; hydrogen; sodium methylate; acetic acid; triethylamine; lithium diisopropyl amide; palladium on activated charcoal; In tetrahydrofuran; methanol; diethyl ether; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(01)81132-1

Reference yield:

: 64221-82-5
4-(2-acetoxy-(E)-vinyl)-2-azetidinone

: 91504-08-4
Carbonic acid 1-{(2R,3S)-1-(tert-butyl-dimethyl-silanyl)-2-[2-(tert-butyl-dimethyl-silanyloxy)-2-cyclopropyl-ethyl]-4-oxo-azetidin-3-yl}-ethyl ester 2-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 10 steps

1: 100 percent / H₂ / 10percent Pd/C / ethyl acetate / 3 h

2: 90 percent / NaOMe / methanol / 1 h / 0 °C

3: tetrahydrofuran

4: triethylamine / dimethylformamide / Ambient temperature

5: 30percent aqueous acetic acid / methanol / 0.5 h / Ambient temperature

6: 44 percent / chromium trioxide dipyridine complex / CH₂Cl₂ / 0.5 h / 0 °C

7: 85 percent / tetrahydrofuran; diethyl ether / Ambient temperature

8: 90 percent / triethylamine / dimethylformamide / 6 h

9: 70 percent / lithium diisopropylamide / tetrahydrofuran / -78 °C

10: 4-(N,N-dimethylamino)pyridine / CH₂Cl₂ / 1.5 h

With dmap; 2,2'-bipyridine-chromium(VI) oxide; hydrogen; sodium methylate; acetic acid; triethylamine; lithium diisopropyl amide; palladium on activated charcoal; In tetrahydrofuran; methanol; diethyl ether; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(01)81132-1

Reference yield:

: 67501-93-3
(4RS)-1-(tert-butyl-dimethylsilyl)-4-(2-oxoethyl)-2-oxoazetidine

: 91504-08-4
Carbonic acid 1-{(2R,3R)-1-(tert-butyl-dimethyl-silanyl)-2-[2-(tert-butyl-dimethyl-silanyloxy)-2-cyclopropyl-ethyl]-4-oxo-azetidin-3-yl}-ethyl ester 2-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 85 percent / tetrahydrofuran; diethyl ether / Ambient temperature

2: 90 percent / triethylamine / dimethylformamide / 6 h

3: 70 percent / lithium diisopropylamide / tetrahydrofuran / -78 °C

4: 4-(N,N-dimethylamino)pyridine / CH₂Cl₂ / 1.5 h

With dmap; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(01)81132-1