Pregled bibliografske jedinice broj: 870675
Chelating P2-Bis-phosphazenes with a (R, R)-1, 2- Diaminocyclohexane Skeleton : Two New Chiral Superbases
Chelating P2-Bis-phosphazenes with a (R, R)-1, 2- Diaminocyclohexane Skeleton : Two New Chiral Superbases // Chemistry : a European journal, 23 (2017), 11; 2591-2598 doi:10.1002/chem.201604522 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 870675 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Chelating P2-Bis-phosphazenes with a (R, R)-1, 2- Diaminocyclohexane Skeleton : Two New Chiral Superbases
Autori
Kogel, Julius F. ; Kovačević, Borislav ; Ullrich, Sebastian ; Xie, Xiulan ; Sundermeyer, Jorg
Izvornik
Chemistry : a European journal (0947-6539) 23
(2017), 11;
2591-2598
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
basicity ; chirality ; density functional calculations ; phosphazenes ; superbases
Sažetak
The linkage of two P2-phosphazenyl groups through a C2-symmetric (R, R)-1, 2-diaminocyclohexane (DACH) backbone yielded the new chiral superbases DACHP2NMe2 and DACH-P2Pyr (Pyr=pyrrolidinyl). These bases were prepared by a Kirsanov reaction and studied with respect to their spectroscopic and structural characteristics. Theoretical calculations concerning their basicity properties revealed remarkable pKBH + values of 38.1 and 39.9 on the acetonitrile scale ; this makes them the strongest nonionic chiral superbases known to date.
Izvorni jezik
Engleski
Znanstvena područja
Kemija
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
- MEDLINE
