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Beilstein J. Org. Chem. 2024, 20, 912–920, doi:10.3762/bjoc.20.81
Graphical Abstract
Figure 1: Representative bioactive tetrazole- and tetrahydroisoquinoline-containing compounds.
Scheme 1: The Ugi and Ugi-azide reactions.
Scheme 2: Ugi-azide and post-condensation reactions for the synthesis of various heterocyclic scaffolds.
Scheme 3: One-pot synthesis of tetrazolyl-1,2,3,4-tetrahydroisoquinoline.
Scheme 4: One-pot synthesis of tetrazolo-pyrazino[2,1-a]isoquinolin-6(5H)-ones 6.
Scheme 5: One-pot synthesis for tetrazolyl-1,2,3,4-tetrahydroisoquinolines 8.
Scheme 6: Gram-scale two-step one-pot synthesis of 6c.
Figure 2: ORTEP diagrams of compound 6d (left) [CCDC: 2164364] and 8c (right) [CCDC: 2321622].