Zobrazeno 1 - 10
of 242
pro vyhledávání: '"J.V. Sinisterra"'
Publikováno v:
Enzyme and Microbial Technology. 39:949-957
Four new whole cell biocatalysts have been selected after a high throughput screening of microorganisms from public collections: Williopsis californica CBS 2158 , Williopsis saturnus NCYC 2313, Pachysolen tannophilus NCYC 1597 and Coniochaeta velutin
Autor:
Maria E. Fernandez, Jorge A. Trelles, Adolfo M. Iribarren, J.V. Sinisterra, Elizabeth Sandra Lewkowicz
Publikováno v:
Tetrahedron Letters. 44:2605-2609
Biocatalysed purine nucleoside synthesis was carried out using immobilised Enterobacter gergoviae CECT 875. Similar yields (80–95%) in adenosine were obtained with both free and immobilised cells though in the last case a long reaction time was nec
Publikováno v:
Tetrahedron Letters. 38:4137-4140
Amino-2-propanol structures can be obtained by addition to dibenzyl acetals of in situ generated dihalocarbenes using LVT (Low Valent Titanium). This methodology can be used to obtain adrenergic β-blockers with amino-2-propanol structure. Tetrahalom
Autor:
J.V. Sinisterra, M.Eva Sánchez, María J. Hernáiz, JoséF Bello, JoséM. Moreno, JoséM Sánchez-Montero, M. Teresa de Bustos
Publikováno v:
Journal of Molecular Catalysis B: Enzymatic. 2:177-184
Covalent immobilization on agarose and SiO2 of pure lipase A (LIP.A) and B (LIP.B) from C. rugosa is described. The results obtained are compared with the data obtained in the covalent binding of commercial lipase (CL) to the same supports. The immob
Autor:
J.V. Sinisterra, J. Felipe Bello, JoséM. Moreno, Francisco J. Burguillo, Manuel G. Roig, Eva Mª Torrecilla Sánchez
Publikováno v:
Enzyme and Microbial Technology. 18:468-476
Candida cylindracea lipase has previously been covalently immobilized on agarose by the tosylation method and on silica by the trichlorotiazine method. We describe a simultaneous study of the soluble enzyme and its counterpart immobilized derivatives
Autor:
J.V. Sinisterra, JoséM. Moreno
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 98:171-184
An enzymatic method for the production of S( + ) 2-arylpropionic acids has been developed. The process consists of the stereoselective hydrolysis of the racemic ethyl esters catalyzed by covalent immobilized Candida cylindracea lipase. The performanc
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 95:179-192
The alteration of the selectivity of enzymes due to the immobilization methodology is discussed. The hydrolysis of esters of ( R,S ) 2-phenyl propionic and 2-phenyl butyric acids has been used as a reaction test. Lipases from Candida cylindracea immo
Publikováno v:
Biocatalysis. 11:19-32
Quantitative Structure Activity Relationship and Molecular Mechanics methodologies have been applied to the study of the kinetically controlled synthesis of peptides catalyzed by chemically modified α-chymotrypsin (α-CT-PEG), in order to investigat
Autor:
José M. Sánchez-Montero, M. Garcia, J.V. Sinisterra, C. Del Campo, Ana Gradillas, Loreto Salazar, E. F. Llama
Publikováno v:
Journal of Molecular Catalysis. 84:399-405
Enantiospecific hydrolysis of esters of 2-arylpropionic acids with antiinflammatory activity has been carried out. The racemic acids were synthetized by Willgerodt—Kindler synthesis in good yields. The enzymatic hydrolysis of the esters was carried
Autor:
J.V. Sinisterra, Andrés R. Alcántara
Publikováno v:
Journal of Molecular Catalysis. 84:327-364
Introduction 327 Mechanism of Enzyme-Catalyzed Synthesie of Peptides 329 2.1 Thermodynamically Controlled Synthesis 329 2.2 Kinetically Controlled Synthesis 329 Influence of Organic Solvents on the Enzymatic Activity 332 Immobilization of Proteases..