1, 3-dipolar cycloaddition reactions: a DFT and HSAB principle theoretical model

F Méndez, J Tamariz, P Geerlings - The Journal of Physical …, 1998 - ACS Publications
The hard and soft acids and bases principle is used together with the condensed fukui
function to analyze the regioselectivity and reactivity of two model 1,3-dipolar cycloaddition …

Pyrrolizidine alkaloids

J Tamariz, E Burgueño-Tapia, MA Vázquez… - The alkaloids: chemistry …, 2018 - Elsevier
Naturally occurring pyrrolizidine alkaloids (PAs) are isolated from plants and other sources.
The interest of the scientific community in these compounds owes itself to their high toxicity …

Enzymatic Polymerization of Phenolic Compounds Using Laccase and Tyrosinase from Ustilago maydis

…, E Rojas del C, L Chel-Guerrero, J Tamariz… - …, 2006 - ACS Publications
Flavonoids are a big group of polyphenols of low molecular weight with in vitro antioxidant
properties. In this study, the laccase and tyrosinase from Ustilago maydis were partially …

Binding Energy in and Equilibrium Constant of Formation for the Dodecahedrane Compounds He@C20H20 and Ne@C20H20

HA Jiménez-Vázquez, J Tamariz… - The Journal of Physical …, 2001 - ACS Publications
Using high-level ab initio methods, the binding energies were calculated for helium and
neon inside the cage-like dodecahedrane molecule C 20 H 20 . The binding energy of He@C …

Regio-and stereoselectivity of captodative olefins in 1, 3-dipolar cycloadditions. A DFT/HSAB theory rationale for the observed regiochemistry of nitrones

…, LG Zepeda, J Tamariz - The Journal of …, 2001 - ACS Publications
Captodative olefins 1-acetylvinyl carboxylates proved to be highly regioselective dipolarophiles
in 1,3-dipolar cycloadditon to propionitrile oxide, arylphenylnitrile imines, diazoalkanes, …

New approach for the construction of the coumarin frame and application in the total synthesis of natural products

…, LE Montiel, F Delgado, J Tamariz - Helvetica Chimica …, 2011 - Wiley Online Library
A new synthetic approach is described for building the coumarin scaffold through the Lewis
acid‐promoted cyclization of novel aryl 3‐(dimethylamino)prop‐2‐enoates 2a–2f. The latter …

Synthesis of α-ketols by functionalization of captodative alkenes and divergent preparation of heterocycles and natural products

…, EM Labarrios, F Delgado, J Tamariz - Tetrahedron, 2015 - Elsevier
Captodative alkene 1-acetylvinyl p-nitrobenzenecarboxylate 1a was evaluated for its
reactivity in Lewis acid-catalyzed Michael additions with functionalized benzene rings and …

Infrared Irradiation: Effective Promoter in the Formation of N‐Benzylideneanilines in the Absence of Solvent

…, M Landa, L Reyes, R Miranda, J Tamariz… - Synthetic …, 2004 - Taylor & Francis
Infrared irradiation promoted the formation of a series of Schiff bases in the condensation
reaction between benzaldehydes and anilines, in the absence of solvent. Benzaldehydes and …

Knoevenagel condensation in heterogeneous phase catalyzed by IR radiation and tonsil actisil FF

E Obrador, M Castro, J Tamaríz, G Zepeda… - Synthetic …, 1998 - Taylor & Francis
Infrared radiation promoted the synthesis of benzylidenemalononitriles,
benzylidenecyanoacetamides and benzylidenecyanoacetic acids by condensation of aromatic …

Novel prenyloxy chalcones as potential leishmanicidal and trypanocidal agents: design, synthesis and evaluation

…, B Nogueda-Torres, J Tamariz… - European Journal of …, 2019 - Elsevier
The available drugs for treating Leishmaniasis and American trypanosomiasis have high
toxicity and multiple side effects, among other problems. More effective and less toxic …