1 Supplementary Information Exploration of a biosynthetic access to the shared precursor of the fusicoccane diterpenoid family Julia Arens a,b , Benedikt Engels c , Stephan Klopries a , Stefan Jennewein c , Christian Ottmann d and Frank Schulz a,b* a Technische Universität Dortmund, Otto-Hahn-Straße 6, 44227 Dortmund, Germany. b Max Planck Institut für molekulare Physiologie, Otto-Hahn-Straße 11, 44227 Dortmund, Germany. c Fraunhofer- Institut für Molekularbiologie und angewandte Ökologie, Forckenbeckstraße 6, 52074 Aachen, Germany. d Chemical Genomics Centre, Otto-Hahn-Straße 15, 44227 Dortmund, Germany. Electronic Supplementary Material (ESI) for Chemical Communications This journal is © The Royal Society of Chemistry 2013