2. www.interscience.wiley.com Antibase 2007 is a comprehensive database of 33,557 natural compounds from micro-organisms and higher fungi. Prof. Hartmut Laatsch, University of Göttingen

3. www.interscience.wiley.com Content

4. www.interscience.wiley.com Search Features Structure search Text search Search for properties

5. www.interscience.wiley.com Case study: What are the typical biological sources of Antraquinone derivatives?

6. www.interscience.wiley.com

8. Case study: Compare the biological activity of Penicillin derivatives!

9. www.interscience.wiley.com

10. Case study: compound identification Optical rotation value of -270 degree Elemental analysis: nitrogen positiv, no sulfur, no halogen There is a CNMR spectrum with 17 C shifts

11. www.interscience.wiley.com

14. Case study: compound identification UV: 523, 510, 493, 257, 234, 212 FAB: M+ = 825 A HNMR spectrum has been acquired

15. www.interscience.wiley.com

17. Case study: compound identification HRMS 400,267 IR 3500 1/cm (+ more peaks)

18. www.interscience.wiley.com

20. AntiBase is available in the database Formats: ChemFinder (CambridgeSoft) ISIS/Base (MDL) SciDex (LCI Publisher)