CITU: A Peptide and Decarboxylative Coupling Reagent
2017
deGruyter, Justine N. | Malins, Lara R. | Wimmer, Laurin | Clay, Khalyd J. | Lopez-Ogalla, Javier | Qin, Tian | Cornella, Josep | Liu, Zhiqing | Che, Guanda | Bao, Denghui | Stevens, Jason M. | Qiao, Jennifer X. | Allen, Martin P. | Poss, Michael A. | Baran, Phil S.
Tetrachloro-N-hydroxyphthalimide tetramethyluronium hexafluorophosphate (CITU) is disclosed as a convenient and economical reagent for both acylation and decarboxylative cross-coupling chemistries. Within the former set of reactions, CITU displays reactivity similar to that of common coupling reagents, but with increased safety and reduced cost. Within the latter, increased yields, more rapid conversion, and a simplified procedure are possible across a range of reported decarboxylative transformations.
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