88852-05-5

Upstream product

• 61964-80-5 cis-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-3-phthalimido-2-azetidinone 
• 20781-20-8 2,4-Dimethoxybenzylamine 
• 61964-70-3 Methyl N-(2,4-dimethoxybenzyl)iminoacetate 
• 61964-80-5 trans-1-(2,4-dimethoxybenzyl)-4-methoxycarbonyl-3-phthalimido-2-azetidinone 
• 92973-52-9 methyl N-(2,4-dimethoxybenzyl)-N-(phthalimidoacetyl)immonioacetate chloride 

Downstream Products

• 61964-79-2 methyl-cis-3-t-Butoxycarbonylamino-1-(2,4-dimethoxybenzyl)-4-oxoazetidine-2-carboxylate 
• 61964-82-7 methyl cis-1-(2,4-dimethoxybenzyl)-4-oxo-3-phenoxyacetylaminoazetidine-2-carboxylate 
• 80542-47-8 trans-3-benzyloxycarbonylamino-4-methoxycarbonyl-2-azetidinone 
• 84164-44-3 sodium trans-3-<2-(2-chloroacetamidothiazol-4-yl)-(Z)-2-<1-methyl-1-(4-nitrobenzyloxycarbonyl)ethoxyimino>acetamido>-4-methoxycarbonyl-2-azetidinone-1-sulfonate 
• 84164-45-4 sodium trans-3-<2-(2-aminothiazol-4-yl)-(Z)-2-<1-methyl-1-(4-nitrobenzyloxycarbonyl)ethoxyimino>acetamido>-4-methoxycarbonyl-2-azetidinone-1-sulfonate 
• 84208-38-8 trans-3-<2-(2-chloroacetamidothiazol-4-yl)-(Z)-2-<1-methyl-1-(4-nitrobenzyloxycarbonyl)ethoxyimino>acetamido>-4-methoxycarbonyl-2-azetidinone 
• 613-45-6 2,4-Dimethoxybenzaldehyde 
• 84164-44-3 sodium cis-3-<2-(2-chloroacetamidothiazol-4-yl)-(Z)-2-<1-methyl-1-(4-nitrobenzyloxycarbonyl)ethoxyimino>acetamido>-4-methoxycarbonyl-2-azetidinone-1-sulfonate 
• 84164-45-4 sodium cis-3-<2-(2-aminothiazol-4-yl)-(Z)-2-<1-methyl-1-(4-nitrobenzyloxycarbonyl)ethoxyimino>acetamido>-4-methoxycarbonyl-2-azetidinone-1-sulfonate 
• 84208-38-8 cis-3-<2-(2-chloroacetamidothiazol-4-yl)-(Z)-2-<1-methyl-1-(4-nitrobenzyloxycarbonyl)ethoxyimino>acetamido>-4-methoxycarbonyl-2-azetidinone 
• 84186-60-7 Sodium; (2S,3S)-3-{2-[(Z)-benzyloxyimino]-2-[2-(2-chloro-acetylamino)-thiazol-4-yl]-acetylamino}-2-methoxycarbonyl-4-oxo-azetidine-1-sulfonate 
• 84186-61-8 Sodium; (2S,3S)-3-{2-(2-amino-thiazol-4-yl)-2-[(Z)-benzyloxyimino]-acetylamino}-2-methoxycarbonyl-4-oxo-azetidine-1-sulfonate 
• 84187-64-4 (2S,3S)-3-{2-[(Z)-Benzyloxyimino]-2-[2-(2-chloro-acetylamino)-thiazol-4-yl]-acetylamino}-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 92973-54-1 cis-3-benzyloxycarbonylamino-1-(2,4-dimethoxybenzoyl)-4-methoxycarbonyl-2-azetidinone 

Relevant academic research and scientific papers

Methods and intermediates for preparing cis-4-oxoazetidine intermediates

The stereospecific cycloaddition of nitrogen containing acetic acid halides or anhydrides with Schiff bases having a carbalkoxy group substituted on the methine carbon atom offers new intermediates and methods for preparing synthetic cephalosporin congeners having antibacterial activity.

Monocyclic beta-lactams with antibacterial activity

A monocyclic β-lactam containing a cis-β-acylamino moiety as in the penicillin and cephalosporin antibacterials is disclosed. These compounds have antibacterial activity against a variety of Gram-positive and Gram-negative organisms. Intermediates useful

Cis-4-oxoazetidine intermediates and methods of preparing them

The stereospecific cycloaddition of nitrogen containing acetic acid halides or anhydrides with Schiff bases having a carbalkoxy group substituted on the methine carbon atom offers new intermediates and methods for preparing synthetic cephalosporin congeners having antibacterial activity.

8-Oxo-4-thia-1-azabicyclo (4.2.0)-oct-2-ene derivatives

Novel bicyclic β-lactams and intermediates useful in their preparation are disclosed. In particular, 7β-acyl-amino- and 7β-amino-8-oxo-4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acids are prepared. The acylated compounds are antibacterial agents.