- ON THE REACTION OF PHENYLGLYOXAL WITH 2-AMINOPYRIDINE
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A structure of 2-phenyl-1H-imidazopyridinium-3-olate (1) has been assigned to the product of the title reaction instead of the previously reported one.In solution, 1 undergoes photo-oxidation related to that occurring in Cypridina luciferine.
- Alcaide, Benito,Perez-Ossorio, Rafael,Plumet, Joaquin,Sierra, Miguel A.
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- Reaction of Arylglyoxals with 2-Amino Heterocycles
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The reaction of some arylglyoxals with a variety of 2-amino heterocycles, including pyridine, diazine, and azole derivatives, has been studied, with or without BF3*Et2O complex as catalyst.On the basis of the isolation of different intermediate carbinolamines and of some crossover cyclization experiments, a reasonable mechanism has been proposed for all these processes.In addition, some structural features of the resulting bicyclic imidazo derivatives having a potential hydroxyl group in position 3 are discussed.
- Alcaide, Benito,Plumet, Joaquin,Sierra, Miguel A.,Vicent, Cristina
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p. 5763 - 5768
(2007/10/02)
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