Triazolo[4,5-d]pyrimidines. X. Halogen-metal exchange reaction of 7-halo-3-phenyl-3H-1,2,3-triazolo[4,5-d)pyrimidines with butyllithium

DOI: 10.1248/cpb.39.2793

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 2793 - 2796 (1991)

Update date:2022-07-29

Topics: NMR spectroscopy Thin-layer chromatography (TLC) Synthetic Chemistry

Authors:

Tanji Tanji

Kato Kato

Higashino

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Article abstract of DOI:10.1248/cpb.39.2793

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

Full text of DOI:10.1248/cpb.39.2793

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