{(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic acid 4-nitro-benzyl ester

Base Information

• Chemical Name: {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic acid 4-nitro-benzyl ester
• CAS No.: 132033-79-5
• Molecular Formula: C₂₆H₃₆N₂O₈S₂Si
• Molecular Weight: 596.798

Synonyms:{(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic acid 4-nitro-benzyl ester

Chemical Property of {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic acid 4-nitro-benzyl ester

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Technology Process of {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic acid 4-nitro-benzyl ester

There total 4 articles about {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic 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:

(3R,4R)-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-4-acetoxyazetidin-2-one (76899-07-5,78963-47-0,78963-48-1,78963-60-7,80951-41-3,81275-02-7,85647-75-2,85954-95-6,92217-74-8,104527-11-9,76855-69-1) → {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic acid 4-nitro-benzyl ester (132033-79-5)

Guidance literature:

Multi-step reaction with 3 steps

2: 1) AgNO₃

With silver nitrate;

DOI:10.1016/S0040-4039(00)79085-X

Reference yield:

(3S,4R)-3-((R)-1-(t-butyldimethylsilyloxy)ethyl)-4-triphenylmethylthio-2-azetidinone (88035-31-8) → {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic acid 4-nitro-benzyl ester (132033-79-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) AgNO₃

With silver nitrate;

DOI:10.1016/S0040-4039(00)79085-X

Reference yield:

dithiocarbonic acid O-cyclopentyl ester; potassium salt → {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-cyclopentyloxythiocarbonylsulfanyl-4-oxo-azetidin-1-yl}-oxo-acetic acid 4-nitro-benzyl ester (132033-79-5)

Guidance literature:

DOI:10.1016/S0040-4039(00)79085-X

upstream raw materials:

chloroxoacetic acid (4-nitrophenyl)methyl ester

(3R,4R)-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-4-acetoxyazetidin-2-one

(3S,4R)-3-((R)-1-(t-butyldimethylsilyloxy)ethyl)-4-triphenylmethylthio-2-azetidinone

Downstream raw materials:

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

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