Chemical and Pharmaceutical Bulletin p. 2793 - 2796 (1991)
Update date:2022-07-29
Topics: NMR spectroscopy Thin-layer chromatography (TLC) Synthetic Chemistry
Tanji
Kato
Higashino
The amino group at the 7-position on the 3H-1,2,3-triazolo[4,5-d]pyrimidine ring was converted into halogen atoms by treatment with isopentyl nitrite in halomethanes, in satisfactory yields. The halogen-metal exchange reaction between 7-iodo-3-phenyl-3H-1
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