86185-47-9Relevant academic research and scientific papers
1,3-Dipolar Character of Six-membered Aromatic Rings. Part 56. The Cycloadditions of Acetylenes and 3-Oxidopyridinium Betaines
Ishag, Christina Y.,Fisher, Keith J.,Ibrahim, Badr Eldin,Iskander, George M.,Katritzky, Alan R.
, p. 917 - 920 (2007/10/02)
Cycloaddition of dimethyl acetylenedicarboxylate with a variety of 1-substituted 3-oxidopyridinium betaines yields novel furan cycloadducts.Methyl phenylpropiolate reacts similarly with the activated 1--3-oxidopyridinium betai
1,3-DIPOLAR CHARACTER OF SIX-MEMBERED AROMATIC RINGS. PART LIV. 1-(α-p-NITROPHENYL-β-m-NITROPHENYLVINYL)-3-OXIDOPYRIDINIUM
Katritzky, Alan R.,Boyce, Byron A.,Dennis, Nicholas
, p. 1351 - 1362 (2007/10/02)
3-acetoxy-1-(4-nitrobenzyl)pyridinium reacts with m-nitrobenzylaldehyde to form 3-acetoxy-1-(α-p-nitrophenyl-β-m-nitrophenylvinyl)pyridinium; the corresponding 3-oxidopyridinium betaine cycloadds various activated olefins.The N-substituted is removed from
