Observations on the NMR and mass spectrometry of thalmine and related alkaloids
β Scribed by J. Baldas; Q.N. Porter; I.R.C. Bick; G.K. Douglas; M.R. Falco; J.X. de Vries; S.Yu. Yunusov
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- French
- Weight
- 271 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
The alkaloid thalmine, first isolated from the Soviet Asian plant l'halktrum ring L (1).
has recently been shown to have the novel type of biscoclaurfnc structure (I) with a 5.7' ether link between the two isoquinoline residues (2).
π SIMILAR VOLUMES
In recent years the importance of mass spectrometry as a useful tool for structure elucidation studies has been well established, particularly in the field of natuml products. Although a large number of alkaloids have been examined in this connection (l), na report on the mass spectm of morphine gro
The leaves of Rhazya stricta Decaisne are reported' to coutain akuammidine I (= rhazine): and quebrachamine (II),4 one of the major alkaloids of ASD~~OSPSOS auebracho blanco. Recently we had investigated the alkaloids of quebracho bark which led to the discovery of a number of new alka1oids.s It was