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2005
Quinoline derivatives
R 0410
Ionic Liquid Promoted Palladium-Catalyzed Suzuki Cross-Couplings of N-ConHeterocyclic Chlorides with Naphthaleneboronic Acids. — The Suzuki
36- 133 tained
cross-coupling reaction of quinolines and isoquinolines with naphthaleneboronic acids
in ionic liquid is investigated under the optimized conditions shown. Compared to conventional organic solvents, yields and purities are higher, the reactions times are shorter
and the products can be isolated in a simple manner. No reaction takes place, when the
chloro substituent is placed in the nitrogen-free ring [cf. (VIII)] or in a nitrogen-free
bicyclic system [cf. (X)]. — (YANG, C.-H.; TAI, C.-C.; HUANG, Y.-T.; SUN*, I.--.;
Tetrahedron 61 (2005) 20, 4857-4861; Dep. Chem., Natl. Cheng Kung Univ., Tainan
70101, Taiwan; Eng.) — Bartels
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