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Designing a next generation of proton sponges: cyclopropeniminophosphazenes as the strongest pincer ligands


Barić, Danijela; Kovačević, Borislav
Designing a next generation of proton sponges: cyclopropeniminophosphazenes as the strongest pincer ligands // Tetrahedron letters, 57 (2016), 3; 442-445 doi:10.1016/j.tetlet.2015.12.054 (međunarodna recenzija, članak, znanstveni)


Naslov
Designing a next generation of proton sponges: cyclopropeniminophosphazenes as the strongest pincer ligands

Autori
Barić, Danijela ; Kovačević, Borislav

Izvornik
Tetrahedron letters (0040-4039) 57 (2016), 3; 442-445

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Cyclopropeneiminophosphazenes; Proton sponges; Organic superbases; DFT calculations

Sažetak
New proton sponges with cyclopropeniminophospazenes as pincer ligands have been designed. It was shown that cyclopropeniminophosphazenes possess a gas phase basicity higher than the corresponding phosphazenes. Due to their lower steric demand in comparison to phosphazenes, cyclopropeniminophoshpazenes can be utilized in the design of synthetically accessible proton sponges with exceptionally high gas phase and solution phase basicity, with calculated PA values up to 330 kcal mol−1 and pKa in acetonitrile of 48.5 units.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA


Ustanove
Institut "Ruđer Bošković", Zagreb

Citiraj ovu publikaciju

Barić, Danijela; Kovačević, Borislav
Designing a next generation of proton sponges: cyclopropeniminophosphazenes as the strongest pincer ligands // Tetrahedron letters, 57 (2016), 3; 442-445 doi:10.1016/j.tetlet.2015.12.054 (međunarodna recenzija, članak, znanstveni)
Barić, D. & Kovačević, B. (2016) Designing a next generation of proton sponges: cyclopropeniminophosphazenes as the strongest pincer ligands. Tetrahedron letters, 57 (3), 442-445 doi:10.1016/j.tetlet.2015.12.054.
@article{article, year = {2016}, pages = {442-445}, DOI = {10.1016/j.tetlet.2015.12.054}, keywords = {Cyclopropeneiminophosphazenes, Proton sponges, Organic superbases, DFT calculations}, journal = {Tetrahedron letters}, doi = {10.1016/j.tetlet.2015.12.054}, volume = {57}, number = {3}, issn = {0040-4039}, title = {Designing a next generation of proton sponges: cyclopropeniminophosphazenes as the strongest pincer ligands}, keyword = {Cyclopropeneiminophosphazenes, Proton sponges, Organic superbases, DFT calculations} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • Arts & Humanities Citation Index (A&HCI)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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