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SYNTHESIS OF 4-ACYL-1H-1, 2, 3-TRIAZOLIC NUCLEOSIDES

AC Cunha, LOR Pereira, ROP de Souza…

文献索引:Cunha; Pereira; De Souza; Ferreira Nucleosides, Nucleotides and Nucleic Acids, 2001 ,  vol. 20,  # 8  p. 1555 - 1569

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被引用次数: 21

摘要

Two simple regiospecific methodologies based on triazolic ring construction in the course of synthesis were applied for the synthesis of 1, 2, 3-triazolic nucleoside analogues. The cycloaddition reactions between diazomalonaldehyde and appropriate glycosylamine derivatives were rather effective, producing the desired nucleosides 11, 17 and 24. Diazotization of enamines 21a and 21b led to the corresponding triazolic ribonucleoside ...