1. Synthesis of azirines 2. Synthesis of azirines from azides 3. Synthesis of diaziridines 4. Synthesis of diazirines 5. Synthesis of diazirines from hydroxylamine 6. Synthesis of epoxides and oxaziridines 7. Synthesis of dioxiranes 8. Synthesis of thiiranes from epoxides 9. Synthesis of thiiranes, thiirenes, dithiiranes, and thiaziridines 10. Synthesis of thiiranes from sulfur bearing moieties 11. Photochemical synthesis of diaziridines and azirines 12. Photochemical synthesis of epoxides, dioxiranes, oxaziridines, and thiiranes