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. 2019 Dec 16;9(71):41684–41702. doi: 10.1039/c9ra08752d

Nanoparticles catalyzed oxidative Mannich reactions of tetrahydroisoquinolines with ketones.

graphic file with name c9ra08752d-u2.jpg
Entry Catalyst Conditions Number of examples Yield (%) Ref.
1 [Fe3O4@SiO2-bipy-AuCl2][AuCl4] AcOH, 4A MS, air, 60 °C, 12 h 12 72–86 15
2 WO3–W1 MeOH, proline, O2, light, 24 h 8 70–82 16
3 Ru@DAFO@ASMNPs MeCN, proline, air, light, 15–24 h 11 69–88 19