Search Results - "Brosa, Carme"

Brassinolide activities of 2α,3α-diols versus 3α,4α-diols in the bean second internode bioassay: Explanation by molecular modeling methods by Šíša, Miroslav, Vilaplana-Polo, Marc, Ballesteros, Carme Brosa, Kohout, Ladislav

“…In general, the structural requirements postulated for a high brassinolide activity are: 2α,3α-diol, 6-ketone or better 7-oxalactone in B-ring, A/B trans fused…”
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β-Phenyl quenching of 9-phenylphenalenones: a novel photocyclisation reaction with biological implications by Bucher, Götz, Bresolí-Obach, Roger, Brosa, Carme, Flors, Cristina, Luis, Javier G, Grillo, Teresa A, Nonell, Santi

“…The singlet and triplet excited states of 9-phenylphenalenones undergo β-phenyl quenching (BPQ) via addition of the carbonyl oxygen to the ortho position of…”
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Biological effects of brassinosteroids by Brosa, C

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The synthesis of androstane brassinosteroid analogues with α-azido acid ester groups in position 17β by Hnilickova, Jaroslava, Kohout, Ladislav, Capdevila, Enric, Esteve, Ana, Vilaplana, Marc, Molist, Meritxell, Brosa, Carme, Swaczynova-Oklestkova, Jana, Slavikova, Barbora

“…Androstane brassinosteroid analogues with α-azido acid ester groups in position 17β were synthesized from 2α,3α,17β-trihydroxy-5α-androstan-6-one after the…”
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Brassinolide activities of 2alpha,3alpha-diols versus 3alpha,4alpha-diols in the bean second internode bioassay: explanation by molecular modeling methods by Sísa, Miroslav, Vilaplana-Polo, Marc, Ballesteros, Carme Brosa, Kohout, Ladislav

“…In general, the structural requirements postulated for a high brassinolide activity are: 2alpha,3alpha-diol, 6-ketone or better 7-oxalactone in B-ring, A/B…”
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New brassinosteroid analogs having nitrogenated functionalities at C 3 to provide more information about the brassinosteroid–receptor interaction by Brosa, Carme, Amorós, Marc, Molist, Meritxell, Hernàndez, Xavier

“…An efficient synthesis of different brassinosteroid derivatives with an azide or an amine function at C3 without any function at C2 and their biological…”
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New brassinosteroid analogs having nitrogenated functionalities at C3 to provide more information about the brassinosteroid–receptor interaction by Brosa, Carme, Amorós, Marc, Molist, Meritxell, Hernàndez, Xavier

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Synthesis and bioactivity of C-29 brassinosteroid analogues with different functional groups at C-6 by Ramírez, Javier A., Brosa, Carme, Galagovsky, Lydia R.

“…The synthesis and bioactivity of four synthetic analogues of 28-homobrassinosteroids bearing different functional groups at C-6 is described. In this paper, we…”
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Brassinosteroids: A new way to define the structural requirements by Brosa, Carme, Capdevila, Joan Miquel, Zamora, Ismael

“…The synthesis of four new brassinosteroid analogs is reported. Two of them elicited high activity as plant growth promoters. Also a new way to define the…”
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A new efficient procedure for the reduction of Δ7 ergostane derivatives by Brosa, Carme, Rodríguez-Santamarta, Carlos

“…The reduction of Δ 7-6-keto-ergostane derivatives with Na 2S 2O 4 in the presence of a phase transfer catalyst is performed and the effect of experimental…”
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The synthesis of androstane brassinosteroid analogues with alpha-azido acid ester groups in position 17beta by Hnilickova, Jaroslava, Kohout, Ladislav, Capdevila, Enric, Esteve, Ana, Vilaplana, Marc, Molist, Meritxell, Brosa, Carme, Swaczynova-Oklestkova, Jana, Slavikova, Barbora

“…Androstane brassinosteroid analogues with alpha-azido acid ester groups in position 17beta were synthesized from…”
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Synthesis of new brassinosteroids with epoxy functions: The effect on the regioselectivity of the Baeyer-Villiger reaction by Brosa, Carme, Miró, Xavier

“…The synthesis of 7 new brassinosteroid analogs having epoxy function in A ring and side chain together with ketone or lactone in B ring is reported. The…”
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New synthetic brassinosteroids: a 5α-hydroxy-6-ketone analog with strong plant growth promoting activity by Brosa, Carme, Soca, Lidia, Terricabras, Emma, Ferrer, Juan C., Alsina, Antoni

“…Five 5-hydroxy-6-ketone brassinosteroid analogs have been synthesized from stigmasterol ( 1) and their plant growth promoting activity has been evaluated using…”
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Synthesis of new brassinosteroids with potential activity as antiecdysteroids by Brosa, C, Nusimovich, S, Peracaula, R

“…The synthesis of four new brassinosteroids with 2 beta,3 beta-diol functionality and A/B cis and A/B trans ring junction is reported. These brassinosteroids…”
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Baeyer-Villiger oxidation by Pseudomonas putida NCIMB 10007 in organic solvents: the influence on the regioselectivity by Brosa, Carme, Rodríguez-Santamarta, Carlos, Salvá, Juan, Barberà, Eduard

“…Microbiological Baeyer-Villiger oxidation of (±)-Norbornanone by whole-cells of Pseudomonas putida NCIMB 10007 have been performed in the presence of organic…”
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Synthesis of 4-methylumbelliferyl-β- d-glucan oligosaccharides as specific chromophoric substrates of (1 → 3),(1 → 4)-β- d-glucan 4-glucanohydrolases by Malet, Carles, Viladot, Josep Lluis, Ochoa, Ana, Gallégo, Belen, Brosa, Carme, Planas, Antoni

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A Brassinosteroid Derivative Useful to Provide More Information About the Importance of the C2 Group in the Brassinosteroid-Receptor Interaction by Brosa, Carme, Amorós, Marc, Vázquez, Esther, Piqué, Maria

“…Synthesis and biological activity evaluation in the rice lamina inclination test of (22 R ,23 R )-22,23-dihydroxy-5α-stigmasta-2,6-dione ( 6 ) and its (22 S…”
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Synthesis and molecular modeling: related approaches to progress in brassinosteroid research by Brosa, C. (Universitat Ramon Llull, Barcelona, Spain.), Zamora, I, Terricabras, E, Soca, L, Peracaula, R, Rodriguez-Santamarta, C

“…In the field of brassinosteroids, which are potent plant growth regulators, we have developed a quantitative structure‐activity relationship study to develop…”
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The Effect of Electrostatic Properties and Abibility to Form Hydrogen-Bonds on the Activity of Brassinosteroid Side-Chain Analogs by Brosa, Carme, Zamora, Ismael, Terricabras, Emma, Kohout, Ladislav

“…Molecular modeling studies on three brassinosteroids analogs having ester and amide function in the side chain have been performed. The activity of such…”
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New synthetic strategy for the synthesis of 24-epibrassinolide by Brosa, Carme, Puig, Rita, Comas, Xavier, Fernández, Cristina

“…The synthesis of (22E,24R)-5α-ergosta-2,22-dien-6-one ( 2), a key intermediate to the preparation of 24-epibrassinolide ( 1), was achieved through the…”
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