Journal ArticleDOI
Structure of echitoserpine, a new alkaloid of the fruits of Alstonia venenata
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Echitoserpine, a new 20-aroyloxy-16-methoxy vincadifformine alkaloid, has been isolated from the fruits of Alstonia venenata R.Br. as mentioned in this paper.About:
This article is published in Tetrahedron.The article was published on 1974-01-01. It has received 6 citations till now.read more
Citations
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Journal ArticleDOI
Retro-Diels-Alder reaction in mass spectrometry
František Tureček,Vladimír Hanuš +1 more
TL;DR: In this paper, the authors present an overview of cyclohexenes and their application in the context of inter-ramolecular RDA and inter-cellular RDA.
Journal ArticleDOI
Structures and absolute stereochemistry of (-)-echitoveniline, (-)-11-methoxyechitoveniline and (-)-11-methoxyechitovenedine—new indole alkaloids of
P.L. Majumder,S. Joardar,T. K. Chanda,B.N. Dinda,M. Banerjee,A.B. Ray,Asima Chatterjee,P. Varenne,B.C. Das +8 more
TL;DR: In this paper, a plausible mechanism of the LAH reduction of the δ-lactones 8b and 8c to the corresponding diols 9b and 9c has been discussed.
Journal ArticleDOI
Structure and absolute stereochemistry of 19-epi-(+)-echitoveniline. A new indole alkaloid of the leaves of Alstonia venenata r.br.
TL;DR: In this article, a new indole alkaloid of the leaves of Alstonia venenata R.Br., has been shown to possess the structure and absolute stereochemistry represented by 5b on the basis of spectral and chemical evidence.
Book ChapterDOI
Chapter 3 The Aspidosperma Alkaloids
TL;DR: In this article, the authors discuss isolation of new monomeric Aspidosperma alkaloids and those of Melodinus, Tabernaemontana, and Ochrosia.
References
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Journal ArticleDOI
Application of Mass Spectrometry to Structure Problems. X.1 Alkaloids of the Bark of Aspidosperma quebracho blanco2
Journal ArticleDOI
Application of Mass Spectrometry to Structure Problems. VIII.1 Quebrachamine2,3
K. Biemann,G. Spiteller +1 more
Journal ArticleDOI
Compounds Related to Podophyllotoxin. X. Synthesis of Picropodophyllin1
Journal ArticleDOI
Chemical constituents of alstonia venenata R.Br.
TL;DR: Venen atine and isovenenatine, two new indole alkaloids from Alstonia venenata R.Br.
Journal ArticleDOI
Identity of RW-47 and venoterpine and determination of their absolute configuration
TL;DR: In this article, die absolute Konfiguration ist durch ORD-CD, Vergleiche mitl-(−)-actinidin ableitbar, and RW-47 und Venoterpin sind identisch.
Related Papers (5)
Venoterpine--a new monoterpenoid alkaloid from the fruits of Alstonia venenata R.Br.
A.B. Ray,Mrs.A. Chatterjee +1 more