Plakoridine C, a novel piperidine alkaloid from an Okinawan marine sponge Plakortis sp.
✍ Scribed by Yuichiro Ishiguro; Takaaki Kubota; Kan’ichiro Ishiuchi; Jane Fromont; Jun’ichi Kobayashi
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- French
- Weight
- 312 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
A new piperidine alkaloid plakoridine C (1) has been isolated from an Okinawan marine sponge Plakortis species, and the structure was elucidated from spectroscopic data. Plakoridine C ( ) is a new alkaloid possessing a piperidine ring connected to a b-keto-c-lactone through a double bond.
📜 SIMILAR VOLUMES
A new polyketide, untenolide A (1), has been isolated from an Okinawan marine sponge Plakortis species, and the structure was elucidated from spectroscopic data and X-ray analysis. Untenolide A (1) is a new polyketide possessing a fused-pentacyclic skeleton with two hexadecanyl chains.
## Abstract Preliminary studies do not reveal any cytotoxic effects.
## Abstract Isolation and structure elucidation of the title compounds (I), which show inhibitory activity against acetylcholinesterase, are described.
Plakotenin. a new carboxylic acid with cytotoxic acrivity was isolated from the Okinawan marine sponge PIak$s sp. and the struc~vc elucidated on the basis of spectroscopic data. Marine sponges of the genus Plakortis have been a rich source of a variety of unique bioactive compounds such as polycycli