Three quettamine type alkaloids, which incorporate either a benaoftumz or a dihydrobenzofuran moiety within the molecular frommrk, have been obtained frwrl Berberis baluchistanica. These are dihydrosecoquettamine (L), secoquettomine (21, and quettamine chloride (g). Alkaloid8 1. and 2 are racemates.
A new class of isoquinoline alkaloids: The indenobenzazepines
✍ Scribed by Gábor Blaskó; S.Fazal Hussain; Alan J. Freyer; Maurice Shamma
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- French
- Weight
- 213 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
✦ Synopsis
The dark yeZZou, indenobenzazepine alkaloids Zakorine (Ii and Zakoramine (21 have been found in fimaria parviflora Lam. (Fwnariaceael. In a transformation with biogenetic implications, treatment of the SpirobenzyZisoquinoZines dikydrofwnariZine (41 and dikydroparfumidine (71 with _ _ metkanesuZfony2 ckZoride and triethybnine in dry THF, followed by iodine oxidation, provided J_ and 2, re.spectiveZy.
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Dedicated to Professor I.Ribas on tze %asion of his 82nd birthday.
The isolation and structure of secocularine and secocularidine, the first two members of a new group of isoquinoline related alkaloids, the