Zobrazeno 1 - 10 of 27 pro vyhledávání: '"Bosch Cartes, Joan"'
1
Enantioselective Synthesis of Spiro[indolizidine-1,3 '-oxindoles]
Autor: Pérez Bosch, Maria, Ramos, Carlos, Massi, Lucia, Gazzola, Silvia, Taglienti, Chiara, Yayik, Nihan, Molins i Grau, Elies, Viayna Gaza, Antonio, Luque Garriga, F. Xavier, Bosch Cartes, Joan, Amat Tusón, Mercedes
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
A three-step procedure for the enantioselective synthesis of spiro[indolizidine-1,3'-oxindoles], consisting of a stereoselective cyclocondensation reaction between (S)-tryptophanol and a prochiral or racemic 5-oxoester, bromination of the resulting o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3bc9e119a861750f8b927b8d1206416e
http://hdl.handle.net/2445/167518
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2
Origin of the Base-Dependent Facial Selectivity in Annulation Reactions of Nazarov-Type Reagents with Unsaturated Indolo[2,3-a] quinolizidine Lactams
Autor: Estarellas, Carolina, Arioli, Federica, Pérez Bosch, Maria, Are, Celeste, Hevia, David, Molins i Grau, Elies, Luque Garriga, F. Xavier, Bosch Cartes, Joan, Amat Tusón, Mercedes
Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona
Methyl-substituted Nazarov reagent 4 reacts stereoselectively with N-ind-Boc indoloquinolizidine lactams to give the expected 3-H/15-H cis pentacyclic yohimbine-type adducts when using 1,8-diazabicyclo[5.4.0] undec-7-ene (DBU) as the base. However, a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::cc486e8722feeda25911a578fc0e3101
http://hdl.handle.net/2445/135638
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3
A general method for the synthesis of enantiopure 1,5-amino alcohols
Autor: Guignard, Guillaume Michel Pablo, Llor Brunés, Núria, Urbina Teixidor, Aina, Bosch Cartes, Joan, Amat Tusón, Mercedes
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname
A variety of (R)-phenylglycinol-derived oxazolopiperidone lactams 1-14 were converted to linear-chain enantiopure amino diols 15-26 by reduction with LiNH2BH3 in an unprecedented process involving the simultaneous reductive opening of the oxazolidine
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::cfa08f2c949ff033d707af29860fa13b
http://hdl.handle.net/2445/98971
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4
Stereocontrolled access to enantiopure to enantiopure 7-substituted cis- and trans-octahydroindoles
Autor: Ghirardi, Elena, Griera Farres, Rosa, Piccichè, Miriam, Molins i Grau, Elies, Fernández Cadenas, Israel, Bosch Cartes, Joan, Amat Tusón, Mercedes
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname
Cyclocondensation of (R)-phenylglycinol with stereoisomeric mixtures (racemates, cis/trans) of 3-substituted 2- oxocyclohexaneacetates stereoselectively afforded tricyclic oxazoloindolone lactams, from which straightforward procedures for the stereoc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::04ad43fc922349eaa6835d340ed2a8fa
http://hdl.handle.net/2445/108046
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5
Studies on the Regioselectivity of the Cyclization of Tryptophanol-Derived Oxazolopiperidone Lactams
Autor: Amat Tusón, Mercedes, Llor Brunés, Núria, Subrizi, Fabiana, Pérez Bosch, Maria, Molins i Grau, Elies, Bosch Cartes, Joan
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Cyclization of the lactam carbonyl on the indole ring in tryptophanol-derived oxazolopiperidone lactams 2 and 6, under the classical POCl3-promoted Bischler-Napieralski conditions and under neutral conditions via the corresponding thiolactam, has bee
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::46ee4821c18818a9c21a1f4481ba8b9b
http://hdl.handle.net/2445/171749
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7
Conjugate Addition of 2-Acetylindole Enolates to UnsaturatedOxazolopiperidone Lactams: Enantioselective Access to the Tetracyclic RingSystem of Ervitsine
Autor: Amat Tusón, Mercedes, Checa Castaño, Begoña, Llor Brunés, Núria, Pérez Bosch, Maria, Bosch Cartes, Joan
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
The stereochemical outcome of the conjugate addition reactions of 2-acetylindole enolates to unsaturated phenylglycinol-derived oxazolopiperidone lactams 1a-f is studied. After reduction of the 2-acylindole carbonyl group, the Michael adduct cis-6 un
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::38e8c5c5690d0ebf9fba19fe7ff42b14
http://hdl.handle.net/2445/171721
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8
Enantioselective Syntehsis of Alkaloids from Phenylglycinol-derived lactams
Autor: Amat Tusón, Mercedes, Llor Brunés, Núria, Griera Farres, Rosa, Pérez Bosch, Maria, Bosch Cartes, Joan
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
This review is focused on recent synthetic achievements and ongoing work in our laboratory using phenylglycinol-derived oxazolopiperidone lactams as starting materials for the enantioselective synthesis of piperidine-containing alkaloids: madangamine
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::dd06656687450c746fb52ff036e6adc1
http://hdl.handle.net/2445/172794
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9
A synthetic approach to ervatamine-silicine alkaloids. Enantioselective total synthesis of (-)-episilicine
Autor: Amat Tusón, Mercedes, Llor Brunés, Núria, Checa Castaño, Begoña, Molins i Grau, Elies, Bosch Cartes, Joan
Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Starting from an appropriate unsaturated phenylglycinol-derived oxazolopiperidone lactam, the synthesis of (-)-16-episilicine is reported, the key steps being a stereoselective conjugate addition, a stereoselective alkylation, and a ring-closing meta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::025672ba7d6a815a2c8e0fc5273fa55e
http://hdl.handle.net/2445/164358
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10
A General Synthetic Route to Enantiopure 5-Substituted cis-Decahydroquinolines
Autor: Amat Tusón, Mercedes, Fabregat, Robert, Griera Farres, Rosa, Bosch Cartes, Joan
Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona
A practical synthetic route to enantiopure 5-substituted cisdecahydroquinolines has been developed, the key steps being a stereoselective cyclocondensation of 2-substituted 6-oxocyclohexenepropionates 2 with (R)-phenylglycinol, the stereoselective hy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3063285782abfc235d15c8f1e7a57055
http://hdl.handle.net/2445/108263
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