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  • The curious cases of tetrahydrosalen-type ligands interacting with Ni( ii ): structures and ligand-based oxidation reactions

This content will become publicly available on August 22, 2024

Title: The curious cases of tetrahydrosalen-type ligands interacting with Ni( ii ): structures and ligand-based oxidation reactions
This work centers around the nickel complexes derived from two tetrahydrosalen-type proligands: N , N ′-bis(2-hydroxybenzyl)- o -phenylenediamine (H 2 salophan) and N , N ′-bis(2-hydroxy-3-methylbenzyl)- o -phenylenediamine (H 2 salophan_Me). The reaction of H 2 salophan with Ni(OAc) 2 ·4H 2 O generates a dinuclear complex Ni 2 (Hsalophan) 2 (OAc) 2 or Na[Ni 2 (salophan) 2 (OAc)] when NaOH is added to assist ligand deprotonation. The reaction of H 2 salophan_Me with Ni(OAc) 2 ·4H 2 O, however, yields a mononuclear complex Ni(Hsalophan_Me) 2 . Unlike the corresponding salen-type nickel complexes, these tetrahydrosalen-type complexes are paramagentic and air sensitive (in solution). Oxidation by O 2 or peroxides results in dehydrogenation of the ligand backbone to form the salen-type complexes.  more » « less
Award ID(s):
2102192 1625737 1726092
NSF-PAR ID:
10444312
Author(s) / Creator(s):
; ; ; ;
Date Published:
Journal Name:
Dalton Transactions
Volume:
52
Issue:
33
ISSN:
1477-9226
Page Range / eLocation ID:
11543 to 11551
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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