Výsledky vyhledávání - "Ugo Pfeiffer"

Oxidation of galactomannan by laccase plus TEMPO yields an elastic gel

Autor: Cristina Formantici, Martina Lavazza, Ugo Pfeiffer, Valentina Langella, Yves M. Galante, Daniela Monti

Publikováno v: Journal of biotechnology 156 (2011): 108–116. doi:10.1016/j.jbiotec.2011.08.029
info:cnr-pdr/source/autori:Lavazza, Martina; Formantici, Cristina; Langella, Valentina; Monti, Daniela; Pfeiffer, Ugo; Galante, Yves M./titolo:Oxidation of galactomannan by laccase plus TEMPO yields an elastic gel/doi:10.1016%2Fj.jbiotec.2011.08.029/rivista:Journal of biotechnology/anno:2011/pagina_da:108/pagina_a:116/intervallo_pagine:108–116/volume:156

Chemical modifications of galactomannans are applied to improve and/or modify their solubility, rheological and functional properties, but have limited specificity and are often difficult to control. Enzymatic reactions, catalyzed under mild process

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87e466efe7cbc0a95e1de76ea96a7cd3
https://doi.org/10.1016/j.jbiotec.2011.08.029

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Chiral high-performance liquid chromatography of some related bicyclic lactams

Autor: Carlo Farina, Jose A. Murphy, Drake Eggleston, Mario Pinza, Lesley A. Senior, Ugo Pfeiffer, Patrick Camilleri

Publikováno v: Journal of Chromatography A. 654:207-213

Chromatographic methods utilising a Chiralcel OC cellulose-based column were developed for the chiral resolution of optical isomers of the cognition-enhancing ISF 4185 and related bicyclic lactams. These methods were scaled up for the preparation of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d764afb17bb6a5f203e6bc5e159ad381
https://doi.org/10.1016/0021-9673(93)83363-w

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A short synthesis of 4-imidazolidinone

Autor: Mario Pinza, Riccaboni Maria Teresa, Ugo Pfeiffer, Roberto Erba

Publikováno v: Liebigs Annalen der Chemie. 1988:993-995

A gram-scale, convenient, and simple synthesis of 4-imidazolidinone (1a) is described. Starting from the readily available glycinamide, 1a is obtained for the first time in a pure, solid form.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9aff355a5db61d67fe5002ffa497d3e7
https://doi.org/10.1002/jlac.198819881011

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Asymmetric induction in the Darzens reaction by means of chiral phase-transfer in a two-phase system. The effect of binding the catalyst to a solid polymeric support

Autor: Ugo Pfeiffer, Roberto Fornasier, Stefano Colonna

Publikováno v: Journal of the Chemical Society, Perkin Transactions 1. :8

Reaction of carbonyl compounds with chloromethyl p-tolyl sulphone or with chloro(phenyl)acetonitrile in a two-phase system, in the presence of chiral ammonium salts, affords the corresponding oxirans with 0–2.5% optical yields. The presence of a hy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d36a52279e34216eeed57dd5c6fb5b76
https://doi.org/10.1039/p19780000008

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