The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Picolinamide, is researched, Molecular C6H6N2O, CAS is 1452-77-3, about Half-Sandwich Iridium Complexes for the One-Pot Synthesis of Amides: Preparation, Structure, and Diverse Catalytic Activity, the main research direction is iridium half sandwich Schiff base complex preparation hydration catalyst; nitrile hydration oxime rearrangement preparation aromatic amide iridium catalyst; crystal structure iridium half sandwich Schiff base complex; mol structure iridium half sandwich Schiff base complex.Category: tetrahydroisoquinoline.
Several types of air-stable N,O-coordinate half-sandwich iridium complexes containing Schiff base ligands with the general formula [Cp*IrClL] were synthesized in good yields. These stable iridium complexes displayed a good catalytic efficiency in amide synthesis. A variety of amides with different substituents were obtained in a one-pot procedure with excellent yields and high selectivities through the amidation of aldehydes with NH2OH·HCl and nitrile hydration under the catalysis of complexes 1-4. The excellent and diverse catalytic activity, mild conditions, broad substance scope, and environmentally friendly solvent make this system potentially applicable in industrial production Half-sandwich iridium complexes 1-4 were characterized by NMR, elemental anal., and IR techniques. Mol. structures of complexes 2 and 3 were confirmed by single-crystal X-ray anal. Half-sandwich iridium complexes were synthesized, which exhibited a high catalytic activity for amide synthesis in a one-pot procedure with excellent yields and high selectivity through aldehyde amidation or nitrile hydration. The broad substrate scope, mild reaction conditions, and high yields of the products made this catalytic system attractive in the industrial process.
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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem