Electric Literature of 4928-88-5, New Advances in Chemical Research in 2021.Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, 4928-88-5, name is Methyl 1H-1,2,4-triazole-3-carboxylate, molecular formula is C4H5N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
EXAMPLE 6 A mixture of methyl 1,2,4-triazole-3-carboxylate (26.4 g, 0.21 mole) and beta-D-ribofuranosyl-1,2,3,5-tetraacetate (60.2 g, 0.19 mole) was melted and then 0.36 g (0.01 eq.) of p-toluenesulfonic acid was added thereto. The reaction mixture was reacted for 5 hours, while maintaining the temperature of the reaction mixture at 95+-5° C. And then, the reaction mixture was crystallized with 300.8 me of methanol to give 58.9 g of 1-(2,3,5-tri-O-acetyl-beta-D-ribofuranosyl)-1,2,4-triazole-3-carboxylic acid methyl ester (yield: 81percent).
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Reference:
Patent; Lee, Tai-Au; Park, Nam-Jin; Khoo, Ja-Heouk; Lee, Byung-Cheol; US2003/120064; (2003); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics