S1 SUPPORTING INFORMATION (44 pages) Triplet Reactivity, Regio- and Stereoselectivity in the Macrocyclization of Diastereomeric Ketoprofen-Quencher Conjugates via Remote Hydrogen Abstractions Sergio Abad, Francisco Boscá, Luis R. Domingo, Salvador Gil, Uwe Pischel, Miguel A. Miranda* Instituto de Tecnología Química, UPV-CSIC, Universidad Politécnica de Valencia, Av. de los Naranjos s/n, E-46022 Valencia, Spain and Departamento de Química Orgánica, Universidad de Valencia, Dr. Moliner 50, E-46100 Burjassot (Valencia), Spain E-mail: mmiranda@qim.upv.es Table of Contents 1. 1 H- and 13 C-NMR spectra of 2a S3 2. 1 H- and 13 C-NMR spectra of 2b S4 3. 1 H- and 13 C-NMR spectra of 3a S5 4. 1 H- and 13 C-NMR spectra of 3b S6 5. 1 H- and 13 C-NMR spectra of 4a S7 6. 1 H- and 13 C-NMR spectra of 4b S8 7. 1 H- and 13 C-NMR spectra of 5a S9 8. 1 H- and 13 C-NMR spectra of 5b S10 9. 1 H- and 13 C-NMR spectra of 6aB S11 10. 1 H- and 13 C-NMR spectra of 6aD S12 11. 1 H- and 13 C-NMR spectra of 6bA S13 12. 1 H- and 13 C-NMR spectra of 6bB S14