Jorge Tiburcio Báez

Investigador Titular Cinvestav, SNII II

Laboratorio: 5

Departamento: Química, ud. Zacatenco

Teléfono: 5557473800 Ext. 3721

Correo electrónico: jtiburcio@cinvestav.mx

Líneas de investigación:

Química Supramolecular, Rotaxanos y Catenanos, Máquinas Moleculares, Reconocimiento Molecular

• Moléculas entrelazadas y entrecruzadas como precursores de nuevos materiales, máquinas, motores y dispositivos moleculares.
• Diseño, auto-ensamble y caracterización de nuevos sistemas supramoleculares incorporando metales de transición y/o cationes orgánicos con diversas moléculas cíclicas.
• Estudio de las interacciones no covalentes que mantienen unidos a los complejos supramoleculares del tipo: pseudorotaxano, rotaxano, polirotaxano y catenano.
• Estudio del movimiento relativo de los componentes moleculares que forman parte de los complejos supramoleculares mediante estímulos químicos, electroquímicos y fotoquímicos.

Publicaciones recientes y/o relevantes:

• An Operative Electrostatic Slipping Mechanism along Macrocycle Flexibility Accelerates Guest Sliding during pseudo-Rotaxane Formation.  ChemistryOpen 2022, 11, e2022001. DOI: 10.1002/open.202200112
• An anionic ring locked into an anionic axle: A metastable rotaxane with chemically activated electrostatic stoppers. Chemistry A European Journal 2019, 25, 14042-14047. DOI : 10.1002/chem.201902735
• Coupled molecular motions driven by light or chemical inputs: spiropyran to merocyanine isomerisation followed by pseudorotaxane formation Chemical Communications 2015, 51, 17564-17567. DOI: 10.1039/C5CC07056B
• Electrostatic Kinetic Barriers in the Threading/Dethreading Motion of a Rotaxane-like Complex. Organic Letters 2015, 17, 1858-1861.
• Self-assembly of a [2]pseudorotaxane complex by the threading of a nitrobenzimidazol-based guest on dibenzo-24-crown ether host. Journal of Physical Organic Chemistry 2014, 27, 701-706.
• Complexation of Imidazopyridine-Based Cations with a 24-Crown-8 Ether Host: [2]Pseudorotaxane and Partially Threaded Structure. The Journal of Organic Chemistry 2013, 78, 10724-10731.
• Co-Conformational Isomerism in a Neutral Ion-Paired Supramolecular System. Chemistry A European Journal 2013, 19, 4051-4057.    
• Cooperative Ion-Ion Interactions in the Formation of Interpenetrated Molecules. Angewandte Chemie International Edition 2008, 47, 97-101.
• Chemically controlled self-assembly of [2]pseudorotaxanes based on 1,2 bis(benzimidazolium)-ethane cations and 24-crown-8 macrocycles. Organic & Biomolecular Chemistry 2007, 5, 2252-2256.