Acyclic Analogues of Purine Nucleosedes: One- and Two-Dimensional 1 H and 13 C NMR Evidences for N-9 and N-7 Regioisomers
✍ Scribed by Raić, S.; Pongračić, M.; Vorkapić-Furač, J.; Vikić-Topić, D.; Mintas, M.
- Book ID
- 120090956
- Publisher
- Taylor and Francis Group
- Year
- 1996
- Tongue
- English
- Weight
- 491 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0038-7010
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Acyclic Analogues of Purine Nucleosides with Dimethylaminoethyl and Dimethylaminoethoxyalkyl Side Chains: Preparation, One-and Two-Dimensional 1 H and 13 C NMR Studies. -A new series of purine acyclonucleosides (V), (VI), and (VIII) are prepared by the reaction of protected adenines (I) and (VII) w
## Data acquisition time of 0.17 s, an average 'JCH of 170 Hz, 256 increments with 32 transients per increment, a delay of 1.5 s between transients and data were processed as a 2048 x 512 matrix using sine-bell functions for weighting and zero-filling in both domains. Spectral widths of 0.5 and 3 k
## Abstract The ^1^H and ^13^C NMR spectra of __trans__‐4‐hydroxy‐__N__‐9‐fluorenylmethoxycarbonyl‐L‐proline show a 56:44 mixture of two conformers due to hindered rotation around the partial CN double bond. A combination of homo‐ and heteronuclear 1 D and 2D NMR techniques provided the assignment
## Abstract A variety of popular ionic liquids have been synthesized and characterized, including by optimized ^14^N NMR spectroscopy of the neat and dissolved ionic liquids. Ionic liquids incorporating Si(OEt)~3~ groups have been immobilized on silica in a well‐defined manner with the imidazolium