NMR spectra and conformational analysis of some 4,5-dihydro-s-triazolo[3,4-d][1,5]benzothiazepine derivatives
✍ Scribed by Valeria Ambrogi; Giuliano Grandolini; Luana Perioli; Maria Kajtàr-Peredy; Lajos Radics
- Book ID
- 112131044
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1994
- Tongue
- English
- Weight
- 247 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0022-152X
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## Abstract The ^1^H and ^13^C NMR spectra of 26 2,3‐dihydro‐[1,5]benzoxazepin‐4(5__H__)‐one derivatives and four thiono analogues are interpreted in terms of conformational equilibria. Similar to 1,3,4,5‐tetrahydro‐2__H__‐1,5‐benzodiazepin‐2‐ones, these compounds favour boat conformations of the s
## Abstract Reaction of 1,5‐benzothiazepines **3**, obtained from chalcones **2** and __o__‐aminobenzenthiol, with the (phenylhydrazino) chloromethylenecarboxylates **4** in the presence of Et~3~N leads to a series of new [1,2,4]triazolo[5,4‐__d__][1,5]benzothiazepine derivatives **5**. Their struc