Listar por autor "Kumar, Naveen"

Mostrando ítems 1-3 de 3

Controlled Modification of Triaminoguanidine-Based μ₃ Ligands in Multinuclear [VⁱᵛO]/[VᵛO₂] Complexes and Their Catalytic Potential in the Synthesis of 2-Amino-3-cyano-4H-pyrans/4H-chromenes

Maurya, Mannar; Kumar, Naveen; Avecilla, Fernando (American Chemical Society (ACS), 2024-01-20)

[Abstract] Reaction of tris(2-hydroxybenzylidene)-triaminoguanidinium chloride (I·HCl) and tris(5-bromo-2-hydroxybenzylidene)-triaminoguanidinium chloride (II·HCl) with [VⁱᵛO(acac)₂] (1:1 molar ratio) in refluxing methanol ...
Mononuclear/Binuclear [VIVO]/[VVO2] Complexes Derived from 1,3-Diaminoguanidine and Their Catalytic Application for the Oxidation of Benzoin via Oxygen Atom Transfer

Maurya, Mannar; Kumar, Naveen; Avecilla, Fernando (ACS, 2023-01-10)

[Abstract] Ligands H4sal-dag (I) and H4Brsal-dag (II) derived from 1,3-diaminoguanidine and salicylaldehyde or 5-bromosalicylaldehyde react with one or 2 mol equivalent of vanadium precursor to give two different series ...
Nonoxidovanadium(IV) Complex-Catalyzed Synthesis of 2-Amino-3-cyano-4H-pyrans/4H-chromenes, Biscoumarins, and Xanthenes under Green Conditions

Maurya, Mannar; Maurya, Shailendra K.; Kumar, Naveen; Avecilla, Fernando (American Chemical Society (ACS), 2024-08-23)

[Abstract] Reaction of [VⁱᵛO(acac)₂] (Hacac = acetylacetone) with a Mannich base, N,N,N′,N′-tetrakis(2-hydroxy-3,5-di-tert-butyl benzyl)-1,2-diaminoethane (H₄L, I) in a 1:1 molar ratio in MeOH, leads to the formation of ...