## 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
Synthesis and X-ray crystal structure analysis of (−)-1-menthoxygermatrane
✍ Scribed by G. S. Zaitseva; Nasim Mohammed; L. I. Livantsova; V. A. Tafeenko; L. A. Aslanov; V. S. Petrosyan
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 295 KB
- Volume
- 1
- Category
- Article
- ISSN
- 1042-7163
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✦ Synopsis
A solvate complex of (-)-1-menthoxygermatrane with chloroform (1) was obtained by reaction of (-)-menthoxytriethylstannane with 1 -bromogermatrane in chloroform. The crystal and molecular structure of 1 was established by X-ray analysis.
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