PALLADIUM-ASSISTED INTRAMOLECULAR FORMATION OF N-HETEROCYCLES BY SP(2) N-NUCLEOPHILIC-ATTACK ON ETA(3)-ALKYL-PD COMPLEXES GENERATED BY ALLENE INSERTION INTO SIGMA-PD-C BOND
J. Chengebroyen et al., PALLADIUM-ASSISTED INTRAMOLECULAR FORMATION OF N-HETEROCYCLES BY SP(2) N-NUCLEOPHILIC-ATTACK ON ETA(3)-ALKYL-PD COMPLEXES GENERATED BY ALLENE INSERTION INTO SIGMA-PD-C BOND, Tetrahedron letters, 37(40), 1996, pp. 7263-7266
1,1-dimethylallene inserts into the sigma Pd-C bond of a series of cyc
lopalladated pyridine derivatives leading to stable or unstable eta(3)
-allyl-Pd complexes. The demetallation of the latter leads to pyridini
um derivatives with good yields. Copyright (C) 1996 Elsevier Science L
td