2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl ester

Base Information

• Chemical Name: 2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl ester
• CAS No.: 74743-06-9
• Molecular Formula: C₃₄H₂₉N₂O₈PS
• Molecular Weight: 656.653

Synonyms:2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl ester

Chemical Property of 2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of 2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl ester

There total 2 articles about 2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl 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:

[(R)-2-((E)-3-Acetoxy-1-acetoxymethyl-propenylsulfanyl)-4-oxo-azetidin-1-yl]-(triphenyl-λ5-phosphanylidene)-acetic acid 4-nitro-benzyl ester (74694-63-6) → 2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl ester (74743-06-9)

Guidance literature:

Multistep reaction;

DOI:10.1039/c39800000070

Reference yield:

p-nitrobenzyl glyoxylate (64370-35-0) + triphenylphosphine (603-35-0) + (R)-2-[(R)-2-(3-Hydroxy-prop-1-ene-2-sulfinyl)-4-oxo-azetidin-1-yl]-3-methyl-but-3-enoic acid methyl ester (74694-68-1) → 2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl ester (74743-06-9)

Guidance literature:

Multistep reaction;

DOI:10.1039/c39800000070

Reference yield:

2-[(4R,S)-4-acetoxyacetylthio-2-oxo-1-azetidinyl]-2-triphenylphosphoranylideneacetic acid p-nitrobenzyl ester (74743-06-9) → (5R,S)-Acetoxymethyl-2-penem-3-carboxylic acid p-nitrobenzyl ester

Guidance literature:

hydroquinone; In toluene;

upstream raw materials:

p-nitrobenzyl glyoxylate

triphenylphosphine

(R)-2-[(R)-2-(3-Hydroxy-prop-1-ene-2-sulfinyl)-4-oxo-azetidin-1-yl]-3-methyl-but-3-enoic acid methyl ester

[(R)-2-((E)-3-Acetoxy-1-acetoxymethyl-propenylsulfanyl)-4-oxo-azetidin-1-yl]-(triphenyl-λ⁵-phosphanylidene)-acetic acid 4-nitro-benzyl ester

Downstream raw materials:

(5R)-p-nitrobenzyl-2-acetoxymethyl-2-penem-3-carboxylate

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