2025 Organic Reaction Championship
Round 1
Opens: Dec 10, 12:00 AM ET
Grignard Reaction
740 Votes
Friedel-Crafts Alkylation/Acylation
158 Votes
Diels-Alder Reaction
649 Votes
Aldol Condensation
219 Votes
Wittig Reaction
661 Votes
Claisen Condensation
167 Votes
Suzuki-Miyaura Coupling
607 Votes
Heck Reaction
188 Votes
Negishi Coupling
446 Votes
Stille Coupling
311 Votes
Hydroboration-Oxidation
351 Votes
Reduction with Metal Hydrides
424 Votes
Clemmensen Reduction
146 Votes
Wolff-Kishner Reduction
596 Votes
Rosenmund Reduction
84 Votes
Swern Oxidation
663 Votes
Williamson Ether Synthesis
308 Votes
Sandmeyer Reaction
435 Votes
Cannizzaro Reaction
162 Votes
Hofmann Rearrangement
566 Votes
Hell-Volhard-Zelinsky
402 Votes
Reimer-Tiemann Reaction
261 Votes
Fischer Indole Synthesis
600 Votes
Perkin Reaction
107 Votes
Benzoin Condensation
175 Votes
Beckmann Rearrangement
518 Votes
Olefin Metathesis
453 Votes
Click Chemistry (CuAAC)
319 Votes
Sharpless Asymmetric Epoxidation
497 Votes
Noyori Asymmetric Hydrogenation
217 Votes
Sonogashira Coupling
359 Votes
Mitsunobu Reaction
377 Votes
Round 2
Opens: Dec 12, 12:00 AM ET
Grignard Reaction
278 Votes
Diels-Alder Reaction
275 Votes
Wittig Reaction
200 Votes
Suzuki-Miyaura Coupling
325 Votes
Negishi Coupling
180 Votes
Reduction with Metal Hydrides
325 Votes
Wolff-Kishner Reduction
145 Votes
Swern Oxidation
353 Votes
Sandmeyer Reaction
213 Votes
Hofmann Rearrangement
261 Votes
Hell-Volhard-Zelinsky
102 Votes
Fischer Indole Synthesis
381 Votes
Beckmann Rearrangement
113 Votes
Olefin Metathesis
379 Votes
Sharpless Asymmetric Epoxidation
259 Votes
Mitsunobu Reaction
232 Votes
Quarter-Finals
Opens: Dec 14, 12:00 AM ET
Grignard Reaction
198 Votes
Suzuki-Miyaura Coupling
197 Votes
Reduction with Metal Hydrides
204 Votes
Swern Oxidation
173 Votes
Hofmann Rearrangement
135 Votes
Fischer Indole Synthesis
217 Votes
Olefin Metathesis
250 Votes
Sharpless Asymmetric Epoxidation
111 Votes
Semi-Finals
Opens: Dec 16, 12:00 AM ET
Grignard Reaction
262 Votes
Reduction with Metal Hydrides
91 Votes
Fischer Indole Synthesis
87 Votes
Olefin Metathesis
240 Votes
Finals
Opens: Dec 18, 12:00 AM ET
Grignard Reaction
94 Votes
Olefin Metathesis
86 Votes