Titanium Dioxide Mediated Photocatalytic Conversion of Arenealdehyde Phthalazinylhydrazones to s-Triazolo$[3,4-\alpha]$phthalazines

References

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2. Bull. Korean Chem. Soc. v.18 Park, K. H;Jun, K;Shin, S. R;Oh, S. W
3. Refer to references in Ref (2)
4. Oxidation potentials of nitrogen-contatining organic compounds are generally less positive than +1.5V vs SCE
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14. Any reference in Ref. (5) and (6)
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17. $^1H$ NMR (300 MHz, $CDCI_3$: δ 7.69 (d, 2H, J=8.7), 7.81-7.87(m, 1H), 7.95-8.01 (m, 2H), 8.38(d, 2H, J=8.7), 8.71-8.74 (m, 2H)