1350538-53-2

Upstream product

• 1694-92-4 2-Nitrobenzenesulfonyl chloride 
• 1121-22-8 trans-1,2-Diaminocyclohexane 
• 20439-47-8 (1R,2R)-1,2-diaminocyclohexane 
• 199783-36-3 (S)-3-methyl-2-(2-nitrophenylsulfonamido)butanoic acid 
• 72-18-4 L-valine 
• 32044-22-7 trans-1,2-(R,R)-diammoniumcyclohexane tartrate 
• 1350538-48-5 (2S,2S')-N,N'-((1R,2R)-cyclohexan-1,2-diyl)bis(3-methyl-2-(2-nitrophenylsulfonamido)butanamide) 
• 201160-41-0 2,6-bis(chloromethyl)pyridine-N-oxide 
• 3099-28-3 2,6-bis(chloromethyl)pyridine 

Relevant academic research and scientific papers

Ready available chiral azapyridinomacrocycles n-oxides; First results as lewis base catalysts in asymmetric allylation of p-nitrobenzaldehyde

We report here the straightforward synthesis of the first series of enantiomerically pure azapyridinomacrocycles N-oxides containing a cyclohexyl chiral moiety. These compounds were readily obtained in good overall yields by a convergent synthesis using natural amino acids as starting building blocks and macrocyclisation as the key step. This method is rapid, efficient and suitable for the introduction of various substituents at the macrocyclic skeleton. Finally, the compounds were tested as organocatalysts for the enantioselective allylation of p-nitrobenzaldehyde with allyltrichlorosilane.