Tetrahedron Letters p. 3061 - 3064 (1998)
Update date:2022-08-11
Topics:
Gunda, Tamas E.
Tamas, Laszlo
Salyi, Szabolcs
The 7β-amino-cephalosporin sulphones, generated in situ from the appropriate 7β-tBoc-amino derivative and diazotized in a one-pot reaction in aq. HClO4 - MeOH - NaNO2, rearrange exclusively to the triazoles 5 in a multistep reaction.
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