Rhodium(I) Complexes Bearing Hydroxyl‐Functionalized 1,2,3‐Triazolylidenes and Their Catalytic Application

We report the straightforward synthesis and full characterization of a novel series rhodium(I) complexes (3 a–c) supported by hydroxyl‐functionalized 1,2,3‐triazolylidenes. All new compounds were fully characterized by means of 1H and 13C NMR spectroscopy, melting points, and elemental analyses. The...

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Published in:European journal of inorganic chemistry 2022-10, Vol.2022 (30), p.n/a
Main Authors: Fuente‐Olvera, Agustín A., Ruiz‐Mendoza, Franciso J., Vásquez‐Pérez, José M., Meléndez‐Rodríguez, Myriam, Álvarez‐Hernández, Alejandro, Salazar‐Pereda, Verónica, Mendoza‐Espinosa, Daniel
Format: Article
Language:English
Subjects:
Alkynes
Catalysts
Cross-coupling
Hydrosilylation
Hydroxyl groups
Inorganic chemistry
Melting points
Mesoionic carbenes
NMR spectroscopy
Rhodium
Selectivity
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Summary:We report the straightforward synthesis and full characterization of a novel series rhodium(I) complexes (3 a–c) supported by hydroxyl‐functionalized 1,2,3‐triazolylidenes. All new compounds were fully characterized by means of 1H and 13C NMR spectroscopy, melting points, and elemental analyses. The new triazolylidene rhodium complexes 3 a–c were tested as catalysts in the hydrosilylation of terminal alkynes and the 1,4‐addition of boronic acid to 2‐cyclohexenone. Both catalytic processes provide good to excellent yields under low catalyst loadings and in the case of the hydrosilylation, a good selectivity toward the E‐isomer is observed. We report the synthesis and full characterization of a novel series rhodium(I) complexes (3 a–c) supported by hydroxyl‐functionalized 1,2,3‐triazolylidenes. Their application as catalysts in the 1,4‐addition of boronic acid to 2‐cyclohexenone and the hydrosilylation of terminal alkynes is described.
ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.202200401