Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 1008-89-5, is researched, Molecular C11H9N, about Tris(benzhydryl) and Cationic Bis(benzhydryl) Ln(III) Complexes: Exceptional Thermostability and Catalytic Activity in Olefin Hydroarylation and Hydrobenzylation with Substituted Pyridines, the main research direction is aralkyl pyridine preparation chemoselective regioselective; alkyl pyridine olefin hydroarylation lanthanum catalyst; lutidine olefin hydrobenzylation lanthanum catalyst.Recommanded Product: 1008-89-5.
A series of Ln(III) tris(benzhydryl) complexes [(p-tBu-C6H4)2CH]3Ln (Ln=La (1), Nd (2), Y (3)) were synthesized by the salt metathesis reactions of LnHal3(THF)3.5 (Ln = La, Nd, Hal = Cl; Ln = Y, Hal = I) and [(p-tBu-C6H4)2CH]Na. In 1-3 the benzhydryl ligands are linked with the metal centers in η4-coordination mode. For diamagnetic complexes 1 and 3 a fluxional behavior was detected in solution Complexes 1-3 proved to be thermally stable: no decomposition was observed even after heating their solutions in toluene-d8 at 140° during 72 h. The reactions of 1 and 2 with B(C6F5)3 allowed for the synthesis of base-free cationic complexes [(p-tBu-C6H4)2CH]2Ln[(p-tBu-C6H4)2CHB(C6F5)3] (Ln = La (4), Nd (5)) which adopted the structure of a contact ion pair. Combinations of 1-3 and borane [B(C6F5)3, [Me2NHPh][B(C6F5)4], [Ph3C][B(C6F5)4]] as well as 4 and 5 were found to be highly efficient, regio- and chemoselective catalysts for hydroarylation and hydrobenzylation of C:C bonds of a variety of substrates with substituted pyridines. These catalysts enabled highly challenging transformations such as hydrobenzylation of 1,1-disubstituted and internal C:C bonds.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles