{(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ⁵-phosphanylidene)-acetic acid allyl ester

Base Information

• Chemical Name: {(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ⁵-phosphanylidene)-acetic acid allyl ester
• CAS No.: 112563-75-4
• Molecular Formula: C₃₉H₄₈NO₅PSi
• Molecular Weight: 669.873

Synonyms:{(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ⁵-phosphanylidene)-acetic acid allyl ester

Chemical Property of {(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ⁵-phosphanylidene)-acetic acid allyl ester

Chemical Property:

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Safty Information:

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Technology Process of {(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ⁵-phosphanylidene)-acetic acid allyl ester

There total 7 articles about {(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ⁵-phosphanylidene)-acetic acid allyl 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:

trans-4-acetoxy-3-[1-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone (76855-69-1,76899-07-5,78963-47-0,78963-48-1,78963-60-7,80951-41-3,81275-02-7,85647-75-2,85954-95-6,92217-74-8,104527-11-9) → {(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester (112563-75-4)

Guidance literature:

Multi-step reaction with 6 steps

1: 75 percent / tetrahydrofuran / 2 h / -20 °C

2: 80 percent / toluene / 4 h / Heating

3: 70 percent / Zn, CuCl / diethyl ether

4: benzene / Heating

5: SOCl₂

6: 2,6-lutidine

With 2,6-dimethylpyridine; thionyl chloride; copper(l) chloride; zinc; In tetrahydrofuran; diethyl ether; toluene; benzene;

Reference yield:

allyl 2-oxoacetate (64370-42-9) → {(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester (112563-75-4)

Guidance literature:

Multi-step reaction with 3 steps

1: benzene / Heating

2: SOCl₂

3: 2,6-lutidine

With 2,6-dimethylpyridine; thionyl chloride; In benzene;

Reference yield:

(3S,4S)-3-[1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-4-(1-methylene-2-oxo-propyl)-azetidin-2-one (112563-71-0) → {(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester (112563-75-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 70 percent / Zn, CuCl / diethyl ether

2: benzene / Heating

3: SOCl₂

4: 2,6-lutidine

With 2,6-dimethylpyridine; thionyl chloride; copper(l) chloride; zinc; In diethyl ether; benzene;

upstream raw materials:

{(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-[1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-4-oxo-azetidin-1-yl}-chloro-acetic acid allyl ester

triphenylphosphine

trans-4-acetoxy-3-[1-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone

allyl 2-oxoacetate

Downstream raw materials:

[(2S,3S)-2-(1-Acetyl-cyclopropyl)-3-(1-hydroxy-ethyl)-4-oxo-azetidin-1-yl]-(triphenyl-λ⁵-phosphanylidene)-acetic acid allyl ester

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