From the aqueous extract of the red alga Digenea simplex, seven Dragendorff-positive compounds have been isolated and their structures determined by spectral and chemical methods. The taxonomic significance of their occurrence and possible biosynthetic relationships between some of these compounds are also discussed. Two are new metabolites that have been assigned the structures (R)-3-dimethylsulfonio-2-methoxypropanoate [1] and (S)-2-acetamido-5-trimethylammoniopentanoate [2].
Thetines and betaines of the red alga Digenea simplex
Angela Patti;Raffaele Morrone;
1993
Abstract
From the aqueous extract of the red alga Digenea simplex, seven Dragendorff-positive compounds have been isolated and their structures determined by spectral and chemical methods. The taxonomic significance of their occurrence and possible biosynthetic relationships between some of these compounds are also discussed. Two are new metabolites that have been assigned the structures (R)-3-dimethylsulfonio-2-methoxypropanoate [1] and (S)-2-acetamido-5-trimethylammoniopentanoate [2].File in questo prodotto:
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