𝔖 Bobbio Scriptorium
✦   LIBER   ✦

13C-NMR relaxation studies of alkali metal cryptate complexes

✍ Scribed by H. Dupont Durst; Luis Echegoyen; George W. Gokel; Angel Kaifer


Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
215 KB
Volume
23
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


relaxation times (1 Is) of cryptands [2.1.1], [2.2.1] and [2.2.2] as well as those of the corresponding crypeate complexes with Li+, Na+, and K+ in CDCl and CH OH:D 0 (9O:lO) were measured and the results are interpreted in terms of molesular co oreszion % and desolvation effects.


πŸ“œ SIMILAR VOLUMES


Quinuclidine complex with Ξ±-cyclodextrin
✍ Sahar Nikkhou Aski; Jozef Kowalewski πŸ“‚ Article πŸ“… 2008 πŸ› John Wiley and Sons 🌐 English βš– 199 KB

## Abstract The stability of an inclusion complex of quinuclidine with α‐cyclodextrin in solution was investigated by NMR measurements of the translational diffusion coefficient. A 1:1 stoichiometry model yielded an association constant of 35 Β± 3 M^βˆ’1^. The guest molecules exchange rapidly between

1H- and 13C-NMR. Studies of some metal c
✍ Paul S. Pregosin; Eginhard Steiner πŸ“‚ Article πŸ“… 1979 πŸ› John Wiley and Sons 🌐 German βš– 215 KB πŸ‘ 1 views

## Abstract The aromatic ^1^H‐ and ^13^C‐NMR. spectra of some metal complexes of o, o′‐dihydroxyazobenzenes are shown to be useful in distinguishing the two possible isomers (acolar and discolar) stemming from the non equivalence of the two ligating azo nitrogen atoms. The ortho aromatic carbon ato

13C NMR studies of polyaminocarboxylate
✍ G. Anderegg; K. Popov; P. S. Pregosin πŸ“‚ Article πŸ“… 1987 πŸ› John Wiley and Sons 🌐 English βš– 287 KB

The 13C NMR characteristics of the polyaminocarboxylate ligands EDTA ~(H0,CCH2)2NCHzCHzN(CH,C0,H),I, DTPA [(H02CCH,)zNCH2CH,N(CHzCOzH)CH,CH2N(CHzN(CHzCOzH)z and NTA [N(CH,C0,H)3] and their Tl(II1) complexes are reported. The pH dependence of the 13C shifts of the ligands is helpful in understanding