Phytochemistry p. 1815 - 1820 (1980)
Update date:2022-08-04
Topics:
Bohlmann, Ferdinand
Jakupovic, Jasmin
King, Robert M.
Robinson, Harold
An investigation of Marshallia obovata afforded, in addition to known thymol derivatives, one new ester. Furthermore six new chromone derivatives, all prenylated, were present together with the known spathelia chromene. The main constituent was a flavan already isolated from M. grandiflora but five new flavans were also isolated. Besides other widespread compounds a tetraester of inositol was isolated in minute amounts. All the structures were elucidated by spectroscopic methods or chemical transformations. Surprisingly, even the main 4-methoxyflavan could be split by periodic acid.
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