Carbohydrate Research p. 307 - 322 (1992)
Update date:2022-07-30
Topics:
Gomez-Sanchez, Antonio
Hermosin, Isidro
Maya, Ines
1-Amino-1-deoxy-D-fructose (7), and its N-butyl derivative (8), reacted with malondialdehyde to yield the 1-deoxy-1-(3-oxo-1-propenylamino)-D-fructoses 9 and 10, respectively.Small proportions of 4-methyl-1,4-dihydro-3,5-pyridinedicarbaldehyde (12) and 1-deoxy-1-(3,5-diformyl-4-methyl-1,4-dihydro-pyridin-1-yl)-D-fructose (14) were also formed in the reaction with 7, and of 1-butyl-4-methyl-1,4-dihydro-3,5-pyridinedicarbaldehyde (13) in the reaction with 8.The reaction of 7 with methylmalondialdehyde afforded 1-deoxy-1-(2-methyl-3-oxo-1-propenylamino)-D-fructose (11).The enaminals 9 and 10 cyclised, in neutral or weakly alkaline aqueous solution, into a mixture of 4-(D-arabino-tetritol-1-yl)-3-pyrrolecarbaldehyde (15 and 17, respectively) and 3-(D-arabino-tetritol-1-yl)-4-pyridone (19 and 21, respectively).Small proportions of 4-(hydroxymethyl)-3-pyrrolecarbaldehyde (16) and 3-(hydroxymethyl)-4-pyridone (20) were also formed in the cyclisation of 9, and of 1-butyl-4-(α,β-D-erythro-furanosyl)-3-pyrrolecarbaldehyde (18α,β) in the cyclisation of 10.All of the heterocyclic compounds were unstable.
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Doi:10.1021/jo00045a046
(1992)Doi:10.1002/chem.201301871
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