Synthesis of Polysubstituted Benzoic Esters from 1,2-Dihydropyridines and Its Application to the Synthesis of Fluorenones

Crystal structure of diethyl 2-(4-methoxyphenyl)-1-phenyl-1,2-dihydropyridine-3,5-dicarboxylate, C24H25NO5

C24H25NO5, triclinic, P1̄, a = 9.2625(8) Å, b = 10.5974(10) Å, c = 11.7431(11) Å, α = 77.836(8)°, β = 87.564(8)°, γ = 66.951(9)°, V = 1035.83(17) Å3, Z = 2, R gt(F) = 0.0404, wR ref(F 2) = 0.0985, T = 107.5 K.

Synthesis, utility and medicinal importance of 1,2- & 1,4-dihydropyridines

The present review aims to describe various methodologies that have been used for the synthesis of 1,2- & 1,4-dihydropyridines (DHPs) and also highlight their medicinal significance.

Intramolecular Minisci acylation under silver-free neutral conditions for the synthesis of azafluorenones and fluorenones

An intramolecular Minisci acylation under silver-free neutral conditions providing access to azafluorenones and fluorenones has been developed.

A new synthetic approach to fused nine-ring systems of the indolo[3,2-b]carbazole family through double Pd-catalyzed intramolecular C–H arylation

A series of new fused 5,11-dihydroindolo[3,2-b]carbazole derivatives, having nine-ring ladder-type structure, has been synthesized by regioselective Pd-catalyzed cyclization.