Abstract
The straightforward synthesis of new isoindolo[2,1-a ]quinoline derivatives from 2,4-disubstituted 1,2,3,4-tetrahydroquinolines bearing
a furan fragment via the intramolecular Diels-Alder reaction is reported. The synthesis
of key precursors was realized with excellent levels of diastereoselectivity either
by Povarov reaction or by a multicomponent condensation approach.
Key words
Povarov reaction - quinolines - furans - intramolecular Diels-Alder reaction - isoindolo[2,1-a ]quinolines
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Crystallographic data for 6e : C20 H19 BrN2 O3 , M = 415.28, crystal dimensions: 0.15 × 0.30 × 0.50 mm, light brown prisms, T = 293 K, space group P c, monoclinic, a = 15.442 (1), b = 20.563 (4), c = 7.855 (2) Å, α = 90.00(3)°, Z = 2, V = 879.0(3) Å3 ; ρcalcd = 1.569 g/cm-3 , µ(Mo-Kα) = 2.36 cm-1 . The final R
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