a Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, UK b GlaxoSmith Kline Research and Development, Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, UK
Abstract:
A formal synthesis of (±)-perhydrohistrionicotoxin is described that includes a highly diastereoselective modified Sharpless aziridination and a stepwise 3+3] annelation reaction for the stereoselective construction of the key spiropiperidine motif.