176702-16-2

Upstream product

• 783-08-4 [4-(benzylideneamino)phenyl]methanol 
• 176702-13-9 ((1S,5R,7R)-10,10-Dimethyl-3,3-dioxo-3λ⁶-thia-4-aza-tricyclo[5.2.1.0^1,5]dec-4-yl)-acetic acid 
• 176702-14-0 ((1S,5R,7R)-10,10-Dimethyl-3,3-dioxo-3λ⁶-thia-4-aza-tricyclo[5.2.1.0^1,5]dec-4-yl)-acetyl chloride 
• 1613-90-7 4-methoxy-N-[(E)-phenylmethylidene]aniline 
• 94594-90-8 (2R)-bornane-10,2-sultam 
• 176702-12-8 ((1S,5R,7R)-10,10-Dimethyl-3,3-dioxo-3λ⁶-thia-4-aza-tricyclo[5.2.1.0^1,5]dec-4-yl)-acetic acid ethyl ester 

Relevant academic research and scientific papers

Triphosgene: A versatile reagent for the synthesis of azetidin-2-ones

An efficient use of triphosgene, as an acid activator, for the synthesis of substituted azetidin-2-ones via ketene-imine cycloaddition reaction using various acids and imines have been described.

An efficient use of Oppolzer sultam for diastereospecific synthesis of cis-β-lactams

Diastereospecific synthesis of cis-β-Lactams (6a-g) has been achieved in ketene-imine cycloaddition reaction (Staudinger reaction) by using homochiral ketene precursors 3 and 4 derived from Oppolzer sultam, in very good yields.