Syntheses and Chiroptical Properties of the 13-membered spermidine alkaloids (−)-(S)-celacinnine, (0)-(S)-celabenzine, (−)-(S)-celafurine, and (+)-(S)-viburnine

✍ Scribed by Paul Kuehne; Armin Guggisberg; Manfred Hesse

• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: German
• Weight: 440 KB
• Volume: 80
• Category: Article
• ISSN: 0018-019X
• DOI: 10.1002/hlca.19970800604

✦ Synopsis

The transparency cut-off of EtOH and the commercial spectrometer used limited the lower range of the 9, Because of the missing CD spectrum of the natural 2, its absolute configuration cannot be deduced as yet. lo) It has also been reported in [18], that CD measurements conducted in acidic conditions resulted in complete CD measurements of 7 to 207 nm (see Fig.).

disappearance of the CD effect.