Removal of Toluene-p-sulphonyl Groups from Sulphonamides. Part 5. Reactions of Phenylglyoxal Imines and some Tosylimines
Phenylglyoxal anil monomers have been shown to react with several nucleophilic reagents and the structures of the products have been elucidated.Various N-tosylarylimines also react with nucleophiles to give useful products.Phenacylimidates underwent cycloadditions with diphenylketen; such reactions gave complex results with phenacylimines, but the latter reacted with conjugated dienes in the presence of BF3 to give cycloaddition products in good yield.
McKay, William R.,Proctor, George R.
p. 2443 - 2450
(2007/10/02)
Removal of Toluene-p-sulphonyl Groups from Sulphonamides. Part 4. Synthesis of Phenylglyoxal Imine Monomers
Syntheses and reactions of N-tosylphenacylamines with bases have been systematically examined.Monomeric C-methoxy-imines are available from some of these reactions.C-Methoxyphenacylarylamines, made by two routes, were converted into monomeric imines on treatment with noble-metal catalysts, The boron trifluoride-catalysed reactions of aryl aldehydes with sulphonamides provide a new and convenient route to N-sulphonylarylimines.
McKay, William R.,Proctor, George R.
p. 2435 - 2442
(2007/10/02)
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