Unprecedented Nucleophilic Additions of Highly Polar Organometallic Compounds to Imines and Nitriles Using Water as a Non-Innocent Reaction Medium
Dr. Giuseppe Dilauro
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
These authors contributed equally to this work.
Search for more papers by this authorDr. Marzia Dell'Aera
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
These authors contributed equally to this work.
Search for more papers by this authorDr. Paola Vitale
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
Search for more papers by this authorCorresponding Author
Prof. Vito Capriati
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
Search for more papers by this authorDr. Filippo Maria Perna
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
Search for more papers by this authorDr. Giuseppe Dilauro
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
These authors contributed equally to this work.
Search for more papers by this authorDr. Marzia Dell'Aera
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
These authors contributed equally to this work.
Search for more papers by this authorDr. Paola Vitale
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
Search for more papers by this authorCorresponding Author
Prof. Vito Capriati
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
Search for more papers by this authorDr. Filippo Maria Perna
Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari “A. Moro”, Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, I-70125 Bari, Italy
Search for more papers by this authorAbstract
In contrast to classic methods carried out under inert atmospheres with dry volatile organic solvents and often low temperatures, the addition of highly polar organometallic compounds to non-activated imines and nitriles proceeds quickly, efficiently, and chemoselectively with a broad range of substrates at room temperature and under air with water as the only reaction medium. Secondary amines and tertiary carbinamines are furnished in yields of up to and over 99 %. The significant solvent D/H isotope effect observed for the on-water nucleophilic additions of organolithium compounds to imines suggests that the on-water catalysis arises from proton transfer across the organic–water interface. The strong intermolecular hydrogen bonds between water molecules may play a key role in disfavoring protonolysis, which occurs extensively in other protic media such as methanol. This work lays the foundation for reshaping many fundamental s-block metal-mediated organic transformations in water.
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