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Beilstein J. Org. Chem. 2015, 11, 1624–1631, doi:10.3762/bjoc.11.177
Graphical Abstract
Figure 1: Representative structures of biologically important phthalazin-1(2H)-ones.
Scheme 1: The construction of phthalazin-1(2H)-one scaffold via C–H activation.
Scheme 2: Copper-mediated reaction of ethynylbenzene with carboxylic acid derivatives. Reaction conditions: 1...
Scheme 3: Copper-mediated reaction of N-(quinolin-8-yl)benzamide with terminal alkynes. Reaction conditions: ...
Scheme 4: Hydrazinolysis and removal of the directing group.
Scheme 5: Plausible reaction mechanism.
Beilstein J. Org. Chem. 2013, 9, 2463–2469, doi:10.3762/bjoc.9.285
Figure 1: Representative biologically relevant examples of 5,6-dihydroindolo[1,2-a]quinoxaline derivatives.
Scheme 1: Reagents and conditions: (a) CF3COOH, anhydrous dichloromethane, reflux; (b) NaBH4, MeOH.