Remodeling of N-Heterocyclic Iminato Ligand Frameworks for the Facile Synthesis of Isoureas from Alcohols and Carbodiimides Promoted by Organoactinide (Th, U) Complexes

Konstantin Makarov, Sayantani Saha, Tapas Ghatak, Natalia Fridman, Moris S. Eisen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A new class of actinide complexes [(L)An(N{SiMe3}2)3] (An = Th or U) (Th1-Th3 and U1-U3) supported by highly nucleophilic seven-membered N-heterocyclic iminato ligands were synthesized and fully characterized by single-crystal X-ray diffraction. These complexes were successfully exploited as powerful catalysts for the addition of alcohols to carbodiimides to yield the corresponding desirable isourea products at room temperature with short reaction times and excellent yields. Thorough stoichiometric, thermodynamic, and kinetic studies were carried out, allowing us to propose a plausible mechanism for the catalytic reaction.

Original languageEnglish
Pages (from-to)14692-14700
Number of pages9
JournalACS Omega
Volume6
Issue number22
DOIs
StatePublished - 8 Jun 2021
Externally publishedYes

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