| 1984 | Andrews Club Lecturer, Belfast |
| 1985 | B. D. Steele Lecture, University of Queensland, Australia |
| 1988 | Syntex Pacific Coast Lecturer, USA |
| | Bio-Mega Lecturer, McGill University, Canada |
| 1989 | The Merck Lecturer, University of Cambridge |
| 1992 | Bristol-Myers Squibb Distinguished Lecturer, Syracuse University, USA |
| | Lilly Lecturer, Ohio State University, USA |
| | Syntex Distinguished Lecturer, Boulder, Colorado, USA |
| 1993 | Glaxo Lecturer, Duke University, USA |
| 1994 | S. Saddiqui Lecture, 19th IUPAC Symposium on the Chemistry of Natural Products, Karachi |
| | The Wilson Baker Lecture, University of Bristol |
| | Wyeth Ayerst Lectureship, University of Pennsylvania, USA |
| | The Merck Frosst Lecture, University of Alberta, Canada |
| | John Phillips Memorial Lectureship, Loughborough University |
| 1995 | The Merck Frosst Lecture, University of Toronto, Canada |
| | Alan Johnson Memorial Lecture, University of Sussex |
| 1996 | The Andersonian Chemical Society 4th Centenary Lecturer, University of Strathclyde |
| | The 4th W. G. Dauben Lecture, University of California, Berkeley |
| | Burton Memorial Lecture, Kings College London |
| | Fred Pattison Senior Lecturer, University of Western Ontario, Canada |
| | The Brian Fitzsimmons Memorial Lecture, University of Waterloo, Ontario, Canada |
| | The 35th Annual W. E. Bachmann Memorial Lecture, University of Michigan, Ann Arbor, USA |
| | The Kenner Lecture, University of Liverpool |
| 1997 | The Smith and Nephew Lecture, University of York |
| | The Marker Lecturer, University of Maryland, USA |
| | The Schering Lecture in Organic Chemistry, Berlin |
| 1998 | Organic Synthesis Lecturer, University of California Irvine, USA |
| | Montana University Distinguished Organic Chemistry Lecturer, Bozeman, USA |
| | The Sir Robert Price Lecture, CSIRO Clayton, Victoria, Australia |
| 1999 | The Paul Gassman Lectures, University of Minnesota, Minneapolis, USA |
| | The Herbert C. Brown Lecturer, Purdue University, West Lafayette, USA |
| | Vista Chemical Company Regents Endowed Memorial Lectureship, University of Texas at Austin, USA |
| | The Robert Robinson Memorial Lecturer, University of Oxford |
| | The Sandin Lectures, University of Alberta, Edmonton, Canada |
| 2000 | Bristol Myers Squibb, Lecturer in Organic Synthesis, Stanford University, USA |
| | The Hofmann Distinguished Lecture, Imperial College, London |
| 2001 | The Boehringer Lecture, University of Montreal, Canada |
| | Carl Shipp Marvel Lectures, University of Illinois, Urbana USA |
| | AstraZeneca Pharmaceuticals Group Lecturer, Ohio State University, Columbus USA |
| | Gordon L. Hodgson Jr. Memorial Lecture, GlaxoSmithKline, USA |
| | August-Wilhelm-von-Hofmann Medal Lecture, Würzburg, Germany |
| | Visiting Distinguished Lecture for the Michigan Chemsitry Tour, Michigan, USA |
| 2002 | Amgen Lecturer, UCLA, USA |
| | The Chemical Record Lecturer, Tokyo, Japan |
| | The Andrews Lectures, The University of New South Wales, Australia |
| | The Malcolm Campbell Memorial Lecture, Dublin |
| | The Pfizer Lecture, Scripps Research Institute, La Jolla, USA |
| 2003 | The Thomas Graham Lecture, University College, London |
| | Chambers Distinguished Lecturer, University of Rochester, USA |
| | The Boehringer Lecturer, Yale University, USA |
| | The Derek Barton Lecture, Texas A & M University, USA |
| | Irvine Review Lecture, University of St Andrews, Scotland |
| 2004 | The Class of 1960 Lecturer, Williams College, USA |
| | The Sixth Rothamsted Lecture, Rothamsted Research, Harpenden |
| | Messel Medal and Lecture, Society of Chemical Industry, London |
| | The 3rd Eli Lilly Lecturer, University of Pittsburgh, USA |
| | The Daniell Lecture, University College, London |
| 2005 | Behringer-Simon Lecture, ETH, Zurich, Switzerland |
| | The 13th Bhatnagar Lecture, Hyderabad, India |
| | Wyeth-MIT Lecturer in Organic Chemistry, Cambridge MA, USA |
| | The Lilly Lecture, University of Reading, UK |
| | The Yamada-Koga Medal Lecture, Tokyo, Japan |
| | The Astra-Zeneca Lecture, University of Stockholm, Sweden |
| 2006 | The Hirschmann Lectureship, University of Wisconsin, Madison, USA |
| | Nagoya Gold Medal Lecture, Japan |
| | The Robert Robinson Lecture, Queens University of Belfast, UK |
| 2007 | The Gilbert Stork Lecture, Columbia University, NY, USA |
| | Lundbeck Lecturer, Technical University of Copenhagen,Denmark |
| | The Centenary Lecturer, University of Bath, UK |
| | EuCheMS Lecturer 2007, Maison de le Chimie, Paris, France |
| | The Backer Lecture, University of Groningen, Netherlands |
| | The Lilly Lectureship, School of Pharmacy, London, UK |
| 2008 | Astra-Zeneca Distinguished Lecturer, Université de Sherbrooke, Canada |
| | The Reilly Lectures, University of Notre Dame, Illinois, USA |
| | The Warren Lecture, Vanderbilt University, Nashville, USA |
| | Merck Frosst Lecturer at Simon Fraser University, Canada |
| | The Astellas Lecture, Tokyo, Japan |
| 2009 | The Kurt Alder Lectureship, University of Cologne, Germany |
| | The Heinrich Wieland Prize Lecture, Münich, Germany |
| 2010 | The A.R. Gordon Distinguished Lectures, University of Toronto, Canada |
| | The Royal Society Perkin Prize Lecture, University of East Anglia, UK |
| | Tetrahedron Prize, 240th ACS Meeting, Boston, USA |
| | SCS Paracelsus Prize, Zurich, Switzerland |
| 2011 | 14th Robert R. Murray Lecture, University of Missouri, St Louis, USA |
| | Maurice Wilkins Centre for Molecular Biodiscovery Lecture, Auckland, New Zealand |
| | P.B.D. De La Mare Lecture, Auckland, New Zealand |
| | The Criegee Lecture, University of Karlsruhe, Germany |
| 2012 | The Birch Lectures, ANU, Canberra, Australia |
| | The Alan Katritsky Lecture, St Catherine’s College, Oxford |
| | The Sigma Aldrich Lecture, Lunteren, The Netherlands |
| 2014 | The 4th Julius Bredt Lecture, RWTH, Aachen, Germany |
| 2015 | Jean-Marie Boissevain Lectureship 2015 CSU Fullerton, USA |
| 2016 | Alan Katritzky Memorial lecture, FloHet Conference, USA |
| | Novartis Lecture in Organic Chemistry, MIT, USA |
| | The Musgrave Lecture, University of Durham, UK |
| | The Cornforth Lectures, University of Sydney, Australia |
| 2017 | The Ernest E. Campaigne Lecture in Organic Chemistry, Indiana University, USA |
