The chemical encyclopedia �R�MPP� has been founded by Dr. Hermann R�MPP in 1947. About 250 authors have been contributing to the work over the last years and today R�MPP contains more than 63000 entries and 14000 structural formulas. For more than a decade R�MPP is published online (https://roempp.thieme.de/) and there are now monthly updates. The coverage of Natural Products and Secondary Metabolites has always been a central topic for the R�MPP. The first German print edition �Naturstoffe� was published in 1997 with contributions by more than 40 authors. The German version was followed by an English edition in 2001. This edition covers about 6000 relevant natural compounds including 2200 formulas. Today, about 8% of the content of the online version of R�MPP covers Natural Products. Our talk will highlight: how R�MPP covers natural products (secondary and �to a lesser extent- primary metabolites) including additional information such as genus/species and their geographic location, analytical methods, biological and physical properties, indices with Latin species names; how the Editorial Board and Authors have handled the content curation over the years and decide upon updates and new entries; how researchers are using R�MPP and the Natural Products sections; how we communicate with our users and improve the content of R�MPP; how we cooperate with our Advisory Board (Dr. Sabine Angel, BASF; Dr. Andreas Barth, FIZ Karlsruhe und Dr. Engelbert Zass, ETH Z�rich); how we have developed the graphical user interface and the underlying technologies;

R�MPP natural products: An online encyclopedia

248th National Meeting (2014)

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