Combinatorial approach to the synthesis of substituted 1,2,4-triazines
نویسندگان
چکیده
منابع مشابه
Synthesis of 2,4,6-tri-substituted-1,3,5-triazines.
Several specific synthetic protocols were developed for the preparation from cyanuric chloride of a range of symmetric and non-symmetric di- and tri-substituted 1,3,5-triazines containing alkyl, aromatic, hindered, chiral and achiral hydroxyalkyl, ester and imidazole groups via sequential nucleophilic substitution of the C-Cl bond by C-O, C-N and C-S bonds.
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Reaction of 7-hydroxy-4-methyl coumarin with amido/ imido alcohols in ethanol containing concentrated hydrochloric acid afforded 8-aralkyl amido/imido-alkyl-7-hydroxy-4-methyl-coumarins (1a-f). Interaction of 1a-f with hydrazine hydrate in pyridine resulted in 1-amino-8-aralkyl amido/imido-alkyl-7-hydroxy-4-methyl-2-oxo-quinolines (2a-f). Treatment of 2 with formaldehyde in ethanol resulted in ...
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Herein we report a parallel solid-phase synthesis of 1,3,5-triazine based nucleoside analogues by a three-step substitution, starting from 2,4,6-trichloro-1,3,5-triazine. A library of 80 galactosyl-1,3,5-triazine compounds was prepared in high purity without extensive reaction conditions or tedious purification, suggesting the generality of this method.
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terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...
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ژورنال
عنوان ژورنال: Chimica Techno Acta
سال: 2017
ISSN: 2409-5613,2411-1414
DOI: 10.15826/chimtech.2017.4.1.021