Tin(II) cations stabilized by non-symmetric N,N',O-chelating ligands: synthesis and stability
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F23%3A39920647" target="_blank" >RIV/00216275:25310/23:39920647 - isvavai.cz</a>
Result on the web
<a href="https://pubs.rsc.org/en/content/articlelanding/2023/dt/d2dt03563d" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2023/dt/d2dt03563d</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/d2dt03563d" target="_blank" >10.1039/d2dt03563d</a>
Alternative languages
Result language
angličtina
Original language name
Tin(II) cations stabilized by non-symmetric N,N',O-chelating ligands: synthesis and stability
Original language description
A series of novel non-symmetric neutral N,N',O-chelating ligands derived from the alpha-iminopyridine 2(C(R-1)=N(C6H3-2,6-iPr(2)))-6-((RRP)-R-2-P-3=O)C5H3N (L-1: R-1 = H, R-2 = R-3 = Ph; L-2: R-1 = Me, R-2 = R-3 = Ph; L-3: R-1 = H; R-2 = Ph, R-3 = EtO; L-4: R-1 = Me, R-2 = Ph, R-3 = EtO; L-5: R-1 = H, R-2 = R-3 = iPrO; L-6: R1 = Me, R-2 = R-3 = iPrO) were synthesized. Ligands L(1-6 )were reacted with SnCl2 and Sn(OTf)(2) with the aim of studying the influence of different (RRP)-R-2-P-3=O functional groups on the Lewis base mediated ionization of SnCl(2 )and Sn(OTf)(2). While all ligands L1-6 provided the corresponding ionic tin(II) complexes [L1-6 ->+ SnCl](+)[SnCl3](-) (1-6), only ligands L-1, L(4 )and L-6 were able to stabilize tin(II) dications [L-1,L-4,L-6-+ Sn(H2O)][OTf](2 )(7-9). The auto-ionized compounds [L3-6-+ SnCl](+)[SnCl3](-) possessing ethylphenyl phosphinate and diisopropylphosphite substituents undergo elimination of EtCl and iPrCl, respectively, yielding compounds 10-13. These can either be interpreted as neutral tin(II)phosphinate chloride (10, 11) and tin(II)phosphonate chloride (12, 13), respectively, containing Sn-O and Sn-Cl bonds, and a P=O -> SnCl2 interaction, or as zwitterionic compounds, where the positive charge of the central tin atom is compensated by an [OSnCl2]- anion. Finally, DFT studies were performed to better understand the steric and electronic properties of the ligands L(1-6 )as well as the nature of the bonds in the resulting products, with a particular focus on complexes 10-13.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10402 - Inorganic and nuclear chemistry
Result continuities
Project
<a href="/en/project/GA20-10417S" target="_blank" >GA20-10417S: Auto-ionizated Main Group Cations as Catalysts for Ring-Opening Polymerization reactions</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Dalton Transactions
ISSN
1477-9226
e-ISSN
1477-9234
Volume of the periodical
52
Issue of the periodical within the volume
9
Country of publishing house
GB - UNITED KINGDOM
Number of pages
13
Pages from-to
2749-2761
UT code for WoS article
000932428800001
EID of the result in the Scopus database
2-s2.0-85148419623