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Two effective methods for the synthesis of 3,4-disubstituted quinolin-2(1H)-ones are reported. [ABSTRACT FROM AUTHOR]

A wide range of indene derivatives is prepared without the use of any transition-metal catalyst. [ABSTRACT FROM AUTHOR]

An abstract of the article "KOt-Bu/DMF Promoted Intramolecular Cyclization of 1,1'-Biphenyl Aldehydes and Ketones: An Efficient Synthesis of Phenanthrenes" by Y.-Y. Chen and colleagues is presented.

It is suggested, that a DMSO radical generated in tBuOK/DMSO systems works as the crucial initiator for the title cyclization process. [ABSTRACT FROM AUTHOR]

A novel synthesis of phenanthridines is developed utilizing the addition reaction of Grignard reagents to nitriles followed by copper-catalyzed intramolecular C-N bond coupling. [ABSTRACT FROM AUTHOR]

The article presents chemical equations related to the article "Rhodium(III)-Catalyzed Redox-Neutral C-H Annulation of Arylnitrones and Alkynes for the Synthesis of Indole Derivatives" by Z. Zhou and others, published in the "Advanced Synthesis & Catalysis " in 2015.

A novel method for a hydride-induced anionic ring-closure is used to synthesize phenanthridines. [ABSTRACT FROM AUTHOR]

The title lactam derivatives are readily prepared with excellent cis-selectivity. [ABSTRACT FROM AUTHOR]

A diagram which shows the synthesis of the chemical compound tetrahydropyrroles based on spiropyrazolone through three-component 1,3-dipolar cycloadditions is presented.

In most cases, the title reaction yields the expected products under the mild conditions A). [ABSTRACT FROM AUTHOR]

An intramolecular coupling of tertiary amines and anilines is developed starting from 2-(N,N-dialkylamino)anilines. [ABSTRACT FROM AUTHOR]