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2005
Pyridine derivatives
R 0380
Investigations Concerning the Organolanthanoid and Group 3 MetalloceneCyclization—Functionalization of Nitrogen-Containing Dienes. —
31- 136 -Catalyzed
The catalytic cyclization—silylation of various nitrogen-containing dienes is limited to
monosubstituted olefins. Mesityl sulfonamides and pentafluorobenzyldiallyl substrates
are compatible with organolutetium and organoyttrium catalysts, respectively. Fused
cyclic systems intramolecular insertion is sensitive to substitution upon the ring. Enamines show no reaction with lanthanoid catalysts, while allowing hydrosilylation of
pendant alkenes. — (MOLANDER*, G. A.; ROMERO, J. A. C.; Tetrahedron 61
(2005) 10, 2631-2643; Dep. Chem., Univ. Pa., Philadelphia, PA 19104, USA; Eng.)
— S. Adam
2005
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