𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Tautomeric behaviour and isotopic multiplets in the 13C NMR spectra of partially deuterated 5-arylazo-pyrimidine (1H,3H,5H)-2,4,6-triones and 5-arylazo-2-thioxo-pyrimidine (1H,3H,5H)-4,6-diones—evidence for elucidation of tautomeric forms

✍ Scribed by Nader Noroozi Pesyan


Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
260 KB
Volume
47
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Stereochemical Effects in the Electron I
✍ Kalevi Pihlaja; Marja Himottu; Ferenc Fülöp; I. Huber; Gábor Bernáth; Vladimir O 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 511 KB

Stereochemical effects on the electron-impact (El)-induced fragmentation of cis/trans-and diendo/diexo-fused stereoisomers of several 2,3dihydrothiazolo[3,2+]pyrimidin-5-ones and 3,4-dihydropyrimido[2,1-b]thiazinh n e s annelated to various saturated and unsaturated carbocycles were studied. The ret

1H and 13C NMR study of the prototropic
✍ S. Toppet; G. Wouters; G. Smets 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 English ⚖ 162 KB

## Abstract Carbon‐13 NMR study of 4(5)‐vinyl‐1,2,3‐triazole in dimethylformamide at −55°C allows direct observation of the three separate tautomers. The ^13^C chemical shift values of the three forms, as well as their percentages in the tautomeric mixture, are given.

1H and 13C NMR spectra of the reverse tr
✍ Gregory C. Leo; A. Diane Gauthier; Gary W. Caldwell; Michael J. Kukla 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 192 KB

## Abstract Proton and carbon NMR chemical shift assignments for (+)‐(__S__)‐4,5,6,7‐tetrahydroimidazo‐9‐chloro‐5‐methyl‐6‐(3‐methylbut‐2‐enyl)imidazo[4,5,1‐__jk__][1,4] benzodiazepin‐2(1__H__)‐thione (TIBO) were made based on 1D and 2D NMR measurements at 9.4 T.