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Issue 12, 1978
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Quadrigemines-A and-B, two minor alkaloids of Hodgkinsonia frutescens F. Muell

Abstract

The structures of two minor alkaloids of Hodgkinsonia frutescens F. Muell., quadrigemines-A and -B, have been shown by chemical degradation to be (2)(as a mixture of diastereoisomers) and (14) respectively (no stereochemistry). A tentative stereochemical assignment, based mainly on optical rotations, can however be made for the quadrigemine-A mixture, which can be seen as an approximately 1 : 1 mixture of diastereoisomer (5) and one (or a mixture of both) of the meso-diastereoisomers. It is noteworthy that these are the first examples of alkaloid structures made up of four tryptamine units.

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Article information


J. Chem. Soc., Perkin Trans. 1, 1978, 1671-1682
Article type
Paper

Quadrigemines-A and-B, two minor alkaloids of Hodgkinsonia frutescens F. Muell

K. P. Parry and G. F. Smith, J. Chem. Soc., Perkin Trans. 1, 1978, 1671
DOI: 10.1039/P19780001671

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