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Beilstein J. Org. Chem. 2017, 13, 1670–1692, doi:10.3762/bjoc.13.162
Graphical Abstract
Figure 1: Representative bioactive heterocycles.
Scheme 1: The concept of oxidative dehydrogenation.
Scheme 2: IBX-mediated oxidative dehydrogenation of various heterocycles [31-34].
Scheme 3: Potential mechanism of IBX-mediated oxidative dehydrogenation of N-heterocycles [31-34].
Scheme 4: IBX-mediated room temperature one-pot condensation–oxidative dehydrogenation of o-aminobenzylamines....
Scheme 5: Anhydrous cerium chloride-catalyzed, IBX-mediated oxidative dehydrogenation of various heterocycles...
Scheme 6: Oxidative dehydrogenation of quinazolinones with I2 and DDQ [37-40].
Scheme 7: DDQ-mediated oxidative dehydrogenation of thiazolidines and oxazolidines.
Scheme 8: Oxone-mediated oxidative dehydrogenation of intermediates from o-phenylenediamine and o-aminobenzyl...
Scheme 9: Transition metal-free oxidative cross-dehydrogenative coupling.
Scheme 10: NaOCl-mediated oxidative dehydrogenation.
Scheme 11: NBS-mediated oxidative dehydrogenation of tetrahydro-β-carbolines.
Scheme 12: One-pot synthesis of various methyl(hetero)arenes from o-aminobenzamide in presence of di-tert-buty...
Scheme 13: Oxidative dehydrogenation of 1, 4-DHPs.
Scheme 14: Synthesis of quinazolines in the presence of MnO2.
Scheme 15: Selenium dioxide and potassium dichromate-mediated oxidative dehydrogenation of tetrahydro-β-carbol...
Scheme 16: Synthesis of substituted benzazoles in the presence of barium permanganate.
Scheme 17: Oxidative dehydrogenation with phenanthroline-based catalysts. PPTS = pyridinium p-toluenesulfonic ...
Scheme 18: Oxidative dehydrogenation with Flavin mimics.
Scheme 19: o-Quinone based bioinspired catalysts for the synthesis of dihydroisoquinolines.
Scheme 20: Cobalt-catalyzed aerobic dehydrogenation of Hantzch 1,4-DHPs and pyrazolines.
Scheme 21: Mechanism of cobalt-catalyzed aerobic dehydrogenation of Hantzch 1,4-DHPs.
Scheme 22: DABCO and TEMPO-catalyzed aerobic oxidative dehydrogenation of quinazolines and 4H-3,1-benzoxazines....
Scheme 23: Putative mechanism for Cu(I)–DABCO–TEMPO catalyzed aerobic oxidative dehydrogenation of tetrahydroq...
Scheme 24: Potassium triphosphate modified Pd/C catalysts for the oxidative dehydrogenation of tetrahydroisoqu...
Scheme 25: Ruthenium-catalyzed polycyclic heteroarenes.
Scheme 26: Plausible mechanism of the ruthenium-catalyzed dehydrogenation.
Scheme 27: Bi-metallic platinum/iridium alloyed nanoclusters and 5,5’,6,6’-tetrahydroxy-3,3,3’,3’-tetramethyl-...
Scheme 28: Magnesium iodide-catalyzed synthesis of quinazolines.
Scheme 29: Ferrous chloride-catalyzed aerobic dehydrogenation of 1,2,3,4-tetrahydroquinolines.
Scheme 30: Cu(I)-catalyzed oxidative aromatization of indoles.
Scheme 31: Putative mechanism of the transformation.
Scheme 32: Oxidative dehydrogenation of pyrimidinones and pyrimidines.
Scheme 33: Putative mechanisms (radical and metal-catalyzed) of the transformation.
Scheme 34: Ferric chloride-catalyzed, TBHP-oxidized synthesis of substituted quinazolinones and arylquinazolin...
Scheme 35: Iridium-catalyzed oxidative dehydrogenation of quinolines.
Scheme 36: Microwave-assisted synthesis of β-carboline with a catalytic amount of Pd/C in lithium carbonate at...
Scheme 37: 4-Methoxy-TEMPO-catalyzed aerobic oxidative synthesis of 2-substituted benzazoles.
Scheme 38: Plausible mechanism of the 4-methoxy-TEMPO-catalyzed transformation.
Scheme 39: One-pot synthesis of 2-arylquinazolines, catalyzed by 4-hydroxy-TEMPO.
Scheme 40: Oxidative dehydrogenation – a key step in the synthesis of AZD8926.
Scheme 41: Catalytic oxidative dehydrogenation of tetrahydroquinolines to afford bioactive molecules.
Scheme 42: Iodobenzene diacetate-mediated synthesis of β-carboline natural products.