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- W1997484890 abstract "Solid-phase synthesis of 2-alkyl-4,6-diaminopyrimidines and 2,4,6-triaminopyrimidines was demonstrated. 2-(4-Formyl-3-methoxyphenoxy)ethyl polystyrene resin 1 was coupled with several primary aliphatic amines to give supported secondary amine 2. Pyrimidine 3 was attached to resin 2 to give 4-chloropyrimidine derivatives 4. Resin 4 was loaded with various aliphatic amines by aromatic nucleophilic substitution reaction. The resulting compounds 5 were converted via cleavage of PS-supports with TFA into 2-alkyl-4,6-diaminopyrimidines or 2,4,6-triaminopyrimidines 6 of 80-99% purity in 57-96% overall yields (19 examples)." @default.
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- W1997484890 date "2006-06-01" @default.
- W1997484890 modified "2023-09-25" @default.
- W1997484890 title "Solid-Phase Synthesis of 2-Alkyl-4,6-diamino- and 2,4,6-Triaminopyrimidines" @default.
- W1997484890 doi "https://doi.org/10.1055/s-2006-941796" @default.
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