Search Results - "Bianchi, Darío A."

Polysubstituted Isochroman Derivatives with Plant Growth Regulating Properties on Wheat (Triticum aestivum L. cv Klein Escorpion) by Bianchi, Darío A., Brambilla, Luciano, Gattuso, Martha A., Kaufman, Teodoro S.

“…The synthesis of isochroman derivatives 4-9 from α-hydroxylactone 3 is reported. These heterocycles, carrying different substituents on C-3, C-4, and C-8,…”
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Cloning and characterization of the Type I Baeyer–Villiger monooxygenase from Leptospira biflexa by Ceccoli, Romina D., Bianchi, Dario A., Fink, Michael J., Mihovilovic, Marko D., Rial, Daniela V.

“…Baeyer–Villiger monooxygenases are recognized by their ability and high selectivity as oxidative biocatalysts for the generation of esters or lactones using…”
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Flavoprotein monooxygenases for oxidative biocatalysis: recombinant expression in microbial hosts and applications by Ceccoli, Romina D, Bianchi, Dario A, Rial, Daniela V

“…External flavoprotein monooxygenases comprise a group of flavin-dependent oxidoreductases that catalyze the insertion of one atom of molecular oxygen into an…”
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Studies on the intramolecular oxa-Pictet–Spengler rearrangement of 5-aryl-1,3-dioxolanes to 4-hydroxy-isochromans by Bianchi, Darı́o A, Rúa, Federico, Kaufman, Teodoro S

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Synthesis of tricyclic analogs of stephaoxocanidine and their evaluation as acetylcholinesterase inhibitors by Bianchi, Darı́o A., Hirschmann, Guillermo Schmeda, Theoduloz, Cristina, Bracca, Andrea B.J., Kaufman, Teodoro S.

“…[Display omitted] The synthesis of simplified analogs of the novel isoquinoline alkaloid stephaoxocanidine, carrying the oxazaphenalene ABC-ring system of the…”
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Synthesis of 4-Hydroxy-7,8-dimethoxyisochroman-3-one and Its Plant Growth-Regulating Properties on Tobacco (Nicotiana tabacum cv. Petit Havana) by Bianchi, Darío A, Blanco, Nicolás E, Carrillo, Néstor, Kaufman, Teodoro S

“…The synthesis of 6,7-dimethoxy-4-hydroxyisochroman-3-one 10 from 2,3-dimethoxytoluene (11) via glyoxylate 12 is reported. Compound 10 strongly inhibited…”
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Selection of microbial biocatalysts for the reduction of cyclic and heterocyclic ketones by Bianchi, Paola, Varela, Romina Fernández, Bianchi, Dario A., Kemppainen, Minna, Iribarren, Adolfo M., Lewkowicz, Elizabeth

“…[Display omitted] •Biocatalysts for prochiral heterocyclic ketone reduction were selected by screening.•E. chrysanthemi and M. racemosus almost quantitatively…”
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Enantiocomplementary access to carba-analogs of C-nucleoside derivatives by recombinant Baeyer–Villiger monooxygenases by Bianchi, Dario A., Moran-Ramallal, Roberto, Iqbal, Naseem, Rudroff, Florian, Mihovilovic, Marko D.

“…A novel and stereoselective synthetic route towards carba-C-nucleosides was investigated applying an enantiodivergent biooxidation strategy by two different…”
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Synthesis and antibiotic activity of the tricyclic furo[3,2- c] isochromen-2-trione unit of the pyranonaphthoquinones by Bianchi, Darı́o A., Sutich, Emma G., Kaufman, Teodoro S.

“…The elaboration and biological activity of 15, containing the proposed pharmacophore for the antibiotic activity of the pyranonaphthoquinones, are reported…”
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Synthesis of a tricyclic lactone embodying the ABC-ring system of stephaoxocanidine, by tin(IV) chloride-assisted sulfonamidoacetal cyclization and an aromatization promoted by triethylamine by Bianchi, Darío A., Kaufman, Teodoro S.

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Accessing tetrahydrofuran-based natural products by microbial Baeyer-Villiger biooxidation by Mihovilovic, Marko D, Bianchi, Dario A, Rudroff, Florian

“…A heterobicyclic lactone obtained by stereoselective Baeyer-Villiger biooxidation with recombinant whole-cells expressing cyclopentanone monooxygenase from…”
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A tosyliminium ion-based total synthesis of (±)-schefferine by Bianchi, Darío A, Kaufman, Teodoro S

“…The synthesis of the phenolic tetrahydroprotoberberine alkaloid (±)-schefferine is reported, featuring as key steps a tosyliminium ion-mediated Friedel-Crafts…”
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Stereoselective Desymmetrizations by Recombinant Whole Cells Expressing the Baeyer-Villiger Monooxygenase from Xanthobacter sp. ZL5: A New Biocatalyst Accepting Structurally Demanding Substrates by Rial, Daniela V., Bianchi, Dario A., Kapitanova, Petra, Lengar, Alenka, van Beilen, Jan B., Mihovilovic, Marko D.

“…In this work the substrate profile and stereoselectivity of engineered whole cells overexpressing the Baeyer–Villiger monooxygenase from Xanthobacter sp. ZL5…”
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Facile Synthesis and Ring-Opening Cross Metathesis of Carbo- and Heterocyclic Bicyclo[3.2.1]oct-6-en-3-ones Using Gaseous Olefinic Reaction Partners by Mihovilovic, Marko D., Grötzl, Birgit, Kandioller, Wolfgang, Snajdrova, Radka, Muskotál, Adél, Bianchi, Dario A., Stanetty, Peter

“…The title compounds were prepared by a facile [4+3]‐cycloaddition strategy involving sonochemistry. The oxyallyl species required for the reaction with the…”
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Mapping the field of aroma ester biosynthesis: A review and bibliometric analysis by Ceccoli, Romina D., Bianchi, Dario A., Zocchi, Sofía B., Rial, Daniela V.

“…The use of enzymes or microorganisms for the synthesis of aroma compounds is a valuable strategy to meet the growing consumers’ demand for natural products…”
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Synthesis of tetrahydrofuran-based natural products and their carba analogs via stereoselective enzyme mediated Baeyer–Villiger oxidation by Rudroff, Florian, Bianchi, Dario A., Moran-Ramallal, Roberto, Iqbal, Naseem, Dreier, Dominik, Mihovilovic, Marko D.

“…In this work we present efficient formal syntheses of several biologically interesting natural products (showdomycin, goniofufurone, trans-kumausyne) and their…”
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Model Studies Towards Stephaoxocanes: Construction of the 2-Oxa-4-aza- phenalene Core of Stephaoxocanidine and Eletefine by Bianchi, Darío A., Cipulli, Marcos A., Kaufman, Teodoro S.

“…The construction of the polysubstituted 1H,3H‐2‐oxa‐4‐azaphenalene 4 by means of consecutive oxa‐Pictet−Spengler and Jackson cyclizations is reported. This…”
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NEW AND IMPROVED SYNTHESIS OF (±)-4-BROMO-7,8-DIMETHOXY-ISOCHROMAN-3-ONE, A KEY INTERMEDIATE FOR THE ELABORATION OF (±)-cis-ALPININE AND (±)-cis-ALPINIGENINE by Bianchi, DaríO A., Kaufman, Teodoro S.

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Genome mining reveals new bacterial type I Baeyer-Villiger monooxygenases with (bio)synthetic potential by Ceccoli, Romina D., Bianchi, Dario A., Carabajal, María Ayelén, Rial, Daniela V.

“…[Display omitted] •Seven putative type I BVMOs were identified in Bradyrhizobium diazoefficiens.•Phylogenetic relationships were established with available…”
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Carbonyl transposition of α-hydroxyamidals mediated by triphenylphosphine-iodine. A new entry to tetrahydroisoquinolin-4-ones by Ponzo, Viviana L., Bianchi, Darío A., Kaufman, Teodoro S.

“…Carbonyl transposition of 2-sulfonyl-3-methoxy-4-hydroxy-tetrahydroisoquinolines with the triphenylphosphine-iodine reagent provides a new access to…”
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