𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Chromatographic and 1H NMR support for a proposed chiral recognition model

✍ Scribed by William H. Pirkle; Christopher J. Welch


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
588 KB
Volume
683
Category
Article
ISSN
1873-3778

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Chiral recognition of epoxides by 1H NMR
✍ Klaudia Wypchlo; Helmut Duddeck πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 46 KB πŸ‘ 2 views

It was found that the oxirane ring is a functional group amenable to chiral discrimination by dirhodium-MTPA complexes. Considerable signal shifts up to 0.7 ppm are observed for 1 H nuclei close to the rhodium atoms in the complex. In analogy to previously reported olefins, this method appears to be

Chiral recognition of nitriles by 1H NMR
✍ Shahid Hameed; Roshan Ahmad; Helmut Duddeck πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 250 KB πŸ‘ 2 views

The 1H NMR spectra of a variety of chiral racemic nitriles were recorded in in the absence CDCl 3 and presence of dirhodium tetra-(R)-a-methoxy-a-(triΓ‘uoromethyl)phenylacetate MTPA 4 MosherÏs [Rh 2 (MTPA) 4 ; acid]. Moderate 1H signal shifts but clear diastereomeric dispersions due to complexation w

Benzoylated and Benzylated Cyclodextrins
✍ Gloria Uccello-Barretta; Angela Cuzzola; Federica Balzano; Rita Menicagli; Piero πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 279 KB πŸ‘ 2 views

Benzoylated and benzylated cyclodextrins give rise to non-spectroscopy. Cyclodextrins bearing aromatic substituents at the primary or secondary sites only are more efficient CSAs equivalence in the 1 H-NMR spectra of racemates of 3,5dinitrophenyl derivatives of chiral amines, amino alcohols, compare