197891-71-7

Upstream product

• 197891-70-6 6-(Benzyloxycarbonyl-tert-butoxycarbonyl-amino)-4-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-hex-2E-enoic acid methyl ester 
• 136918-14-4 phthalimide 
• 501-53-1 benzyl chloroformate 
• 197891-68-2 4-(N-Boc-N-Z-amino)butanal 
• 197891-67-1 benzyloxycarbonyl-(4,4-diethoxy-butyl)-carbamic acid tert-butyl ester 
• 197891-69-3 C₂₀H₂₇NO₇ 
• 197891-66-0 4-benzyloxycarbamate-butyraldehyde diethyl acetal 

Relevant academic research and scientific papers

Pyrrolopyrrolone derivatives as inhibitors of neutrophil elastase

There are described according to the invention compounds of formula (I) (relative stereochemistry indicated), wherein R1, R2, R3 and X are as defined in the specification, together with processes for preparing them, compositions containing them and their use as pharmaceuticals. Compounds of formula (I) are indicated inter alia for the treatment of chronic bronchitis.