## Abstract For Abstract see ChemInform Abstract in Full Text.
Analysis of the kinetics of isomerization of spiro oxindole alkaloids
✍ Scribed by Laus, Gerhard; Br�ssner, Dagmar; Senn, Gilbert; Wurst, Klaus
- Book ID
- 124050197
- Publisher
- Royal Society of Chemistry
- Year
- 1996
- Tongue
- English
- Weight
- 650 KB
- Volume
- 9
- Category
- Article
- ISSN
- 1472-779X
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## Abstract The spiro[pyrrolidine‐3,3′‐oxindole] ring system is found at the core of a number of alkaloids, which possess significant biological activity and are interesting, challenging targets for chemical synthesis. In the present review, we report on the different strategies for the synthesis o
## Abstract The single‐crystal X‐ray structures of speciophylline, mitraphylline, and rhynchophylline, oxindole alkaloids from the Peruvian climbing vine __Uncaria tomentosa__ (Rubiaceae), were determined. The three compounds show N⋅⋅⋅HN hydrogen bonding, which has not been observed in the crystal