Gerardo García Aguirre

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A model for studying polar-pi interactions between arenes spaced at van der Waals distances is developed on the basis of peri-diarylbiphenylenes. A set of 1,8-diarylbiphenylenes is synthesized comprising two Hammett series, one with reference to mesityl ring interactions and the other with reference to pentafluorophenyl ring interactions. X-Ray crystal(More)
In the title compound, C(19)H(15)N(3), the benzyl group is almost perpendicular to the triazole ring [dihedral angle = 80.64 (8)°], while the napthyl group makes an angle of 30.27 (12)° with the plane of the triazole ring. This conformation is different from the 1-benzyl-4-phenyl-1H-1,2,3-triazole analogue, which has the benzyl ring system at an angle of(More)
Syntheses of three non-brominated analogs of amathamide A (1), a natural alkaloid isolated from the Tasmanian marine bryozoan Amathia wilsoni, are described. Antimicrobial activity against Bacillus subtilis, Staphylococcus aureus, Escherichia coli, Pseudomona aeruginosa, and Candida albicans was tested. Test results for amathamide A (1) showed a weak(More)
In the crystal structure of the title compound, C12H9Cl2NO2, the mean planes through the quinoline and carboxyl-ate groups have r.m.s. deviations of 0.006 and 0.021 Å, respectively, and form a dihedral angle of 87.06 (19)°. In the crystal, mol-ecules are linked via very weak C-H⋯O hydrogen bonds, forming chains, which propagate along the c-axis direction.
Asymmetric transfer hydrogenation (ATH) of prochiral aromatic ketones was carried out with a water-soluble complex of Rh(III)Cp* and mononitrobenzenesulfonamide bidentate ligand (1R,2R)-N-(2-aminocyclohexyl)-4-nitrobenzenesulfonamide 1 derived from chiral cyclohexane-1,2-diamine. Aqueous sodium formate was used as the hydride source. The reaction afforded(More)
L. Abbott A. Abeliovich J. Acharya S. Ackerman J. Adelman R. Adolphs S. Aglioti G. Aguirre A. Aguzzi E. Ahissar C. Aizenman U. Albrecht R. Aldrich B. Alger D. Amaral R. Andersen D. Anderson D. Angelaki E. Anton A. Apkarian A. Araque S. Arber V. Arshavsky M. Ashford J. Assad D. Attwell G. Augustine B. Averbeck T. Avidor-Reiss R. Axel S. Baccus B. Bacskai H.(More)
In the mol-ecule of the title compound, C(9)H(12)O(9)S(3), the two methanesulfonate groups re located one above and one below the ring plane. The C-O-S angle range is 119.3 (2)-121.1 (2)°. This conformation is different from that of the benzene analog 1,2,5-tris-(p-toluene-sulfonate), which is a three-legged 'table' with all fragments of the(More)
Four new ligands containing a pyrazole ring and either a phosphine or thioether were prepared and converted to their cis-dichloropalladium(II) complexes. Two of the ligands are especially notable for the attachment of a side chain at pyrazole carbon, rather than at nitrogen. The new metal complexes include(More)