82443-06-9

Upstream product

• 58075-10-8 D-mandelic O-carboxyanhydride 
• 82394-91-0 (9RS,9aRS)-benzyl 9-amino-9,9a-dihydro-5-methyl-8-oxo-8H-azeto<1,2-a>-v-triazolo<5,1-c>pyrazine-6-carboxylate 
• 82394-68-1 benzyl 3,3-ethylenedioxy 2-(N-trimethylsilylpropynylideneamino)butanoate 
• 61795-31-1 benzyl 2-amino-3,3-ethylenedioxybutanoate 

Downstream Products

• 82443-05-8 (9S,9aS)-benzyl 9,9a-dihydro-9-(D-α-hydroxyphenylacetamido)-5-methyl-8-oxo-8H-azeto<1,2-a>-v-triazolo<5,1-c>pyrazine-6-carboxylate 
• 82394-96-5 (9S,9aS)-benzyl 9,9a-dihydro-5-methyl-8-oxo-9-phenoxyacetamido-8H-azeto<1,2-a>-v-triazolo<5,1-c>pyrazine-6-carboxylate 
• 82443-08-1 (9S,9aS)-9,9a-dihydro-5-methyl-8-oxo-9-phenoxyacetamido-8H-azeto<1,2-a>-v-triazolo<5,1-c>pyrazine-6-carboxylic acid 
• 82443-07-0 (9S,9aS)-9,9a-dihydro-(D-α-hydroxyphenylacetamido)-5-methyl-8-oxo-8H-azeto<1,2-a>-v-triazolo<5,1-c>pyrazine-6-carboxylic acid 
• 82394-94-3 (9R,9aR)-benzyl 9,9a-dihydro-9-(D-α-hydroxyphenylacetamido)-5-methyl-8-oxo-8H-azeto<1,2-a>-v-triazolo<5,1-c>pyrazine-6-carboxylate 
• 82394-95-4 (9R,9aR)-9,9a-dihydro-(D-α-hydroxyphenylacetamido)-5-methyl-8-oxo-8H-azeto<1,2-a>-v-triazolo<5,1-c>pyrazine-6-carboxylic acid 

Relevant academic research and scientific papers

Synthesis of Novel Fused β-Lactams by Intramolecular 1,3-Dipolar Cycloadditions. Part 7. (9RS,9aRS)-9,9a-Dihydro-5-methyl-8-oxo-9-phenoxyacetamido-8H-azeto-v-triazolopyrazine-6-carboxylic Acids and (3bRS,4RS,7SR)-4,5-Dihydro-5-oxo-4-phenoxya

Addition of the mixed anhydride derived from azidoacetic acid and trifluoroacetic anhydride to benzyl 2-(N-phenylpropynylideneamino)-3,3-ethylenedioxybutanoate (9) in the presence of triethylamine afforded (3RS,4SR)-3-azido-1-(1-benzyloxycarbonyl-2,2-ethy