60 results on '"Castedo, Luis"'
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2. Intramolecular dehydro diels-alder reactions of diarylacetylenes: switching between benzo[b]- and benzo[c]fluorenones as products by controlling the rearrangement of cyclic allene intermediates
3. Unmasking the 6,7,5-tricarbocyclic frame of [5+2]/[4+2] pyrone--alkene cycloadducts
4. Regioselective synthesis of isoquinol(1,2-b)(3)benzazepines (homoprotoberberines) through 11-membered-ring stilbene lactams obtained by radical macrocyclization
5. (5+2) pyrone-alkene cycloaddition approach to tetrahydrofurans. Expeditious synthesis of (+)-nemorensic acid
6. Straightforward construction of fused 6,7,5-tricarboxylic systems by tandem (5 + 2)/(4 + 2) cycloadditions
7. Dioxirane epoxidation of 10-membered-ring stilbene lactams as synthetic precursors to protoberberines
8. A short, efficient copper-mediated synthesis of 1alpha,25-dihydroxyvitamin D2 (1alpha,25-dihydroxyergocalciferol) and C-24 analogs
9. Alkenylzinc-mediated approach to the vitamin D skeleton. Application to the synthesis of 6-methyl analogs of vitamin and previtamin D
10. Synthesis of annelated substituted bipyridines and terpyridiens by cobalt(I)-catalyzed [2+2+2] cycloaddition
11. 3-hydroxy-4-pyrones as precursors of 4-methoxy-3-oxidopyridinium ylides: an expeditious entry to highly substituted 8-azabicyclo[3.2.1]octanes
12. A synthetic route to (+/-)-clavizepine through a dibenzoxepine intermediate
13. Synthesis of antitumor lycorines by intramolecular Diels-Alder reaction
14. Synthesis of lycorines by intramolecular aryne cycloadditions
15. Synthesis of 3-phenylisoquinones by reaction of simple pyrroline-2,3-diones with benzyne. New mechanistic considerations
16. Synthesis of 2-(N-(9-phenylfluoren-9-yl)amino)-1-indanones by anionic cyclization of phenylalanine-derived oxazolidinones
17. Studies on the opening of dioxanone and acetal templates and application to the synthesis of 1alpha,25-dihydroxyvitamin D2
18. Ultrasonically induced conjugate addition of iodides to electron-deficient olefins and its application to the synthesis of side-chain analogs of the hormone 1alpha,25-dihydroxyvitamin D3
19. Cycloaddition reactions of isoquinoline-pyrroline-2,3-dione and beta-carboline-pyrroline-2,3-dione with benzyne. Total synthesis of 8-oxypseudopalmatine and decarbomethoxydihydrogambirtannine
20. Intermolecular benzyne cycloaddition (IBC), a versatile approach to benzophenanthridine antitumor alkaloids: formal synthesis of nitidine and chelerythrine
21. A new approach to the synthesis of antitumor benzophenanthridine alkaloids: formal synthesis of nitidine
22. A convergent approach to the dihydrotachysterol diene system: application to the synthesis of dihydrotachysterol2 (DHT2), 25-hydroxydihydrotachysterol2 (25-OH-DHT2), 10(R),19-dihydro-(5E)-3-epivitamin D2 and 25-hydroxy-10(R), 19-dihydro-(5E)-3-epivitamin D2
23. Synthesis of hydrindan derivatives related to vitamin D
24. A new synthesis of phthalides by internal trapping in ortho-lithiated carbamates derived from benzylic alcohols
25. A radical cyclization approach to isoindolobenzazepines. Synthesis of lennoxamine
26. Preparation of phenanthrenes by photocyclization of stilbenes containing a tosyl group on the central double bond. a versatile approach to the synthesis of phenanthrenes and phenanthrenoids
27. [alpha],[gamma]-Peptide nanotube templating of one-dimensional parallel fullerene arrangements
28. Photocyclization of tosylstilbenes as a key reaction in the preparation of an analogue of the antitumor agent CC-1065
29. Cyclin A probes by means of intermolecular sensitization of terbium-chelating peptides
30. ''Formal'' and standard ruthenium-catalyzed [2+2+2] cycloaddition reaction of 1,6-diynes to alkenes: a mechanistic density functional study
31. Ruthenium-catalyzed decarbonylative cyclization of 1,6-diynes
32. Palladium-catalyzed [4 + 3] intramolecular cycloaddition of alkylidenecyclopropanes and dienes
33. Controlling multiple fluorescent signal output in cyclic peptide-based supramolecular systems
34. Synthesis of [omega]-(hetero)arylalkynylated [alpha]-amino acid by Sonogashira-type reactions in aqueous media
35. Ru-catalyzed cyclization of terminal alkynes to cycloalkenes
36. A new Ru-catalyzed cascade reaction forming polycyclic cyclohexadienes from 1,6-diynes and alkenes
37. RCM for the construction of novel steroid-like polycyclic systems. 1. Studies on the synthesis of a PreD3-D3 transition state analogue
38. First stereoselective syntheses of (--)-siphonodiol and (--)-tetrahydrosiphonodiol, bioactive polyacetylenes from marine sponges
39. Ruthenium-catalyzed [3 + 2] intramolecular cycloaddition of alk-5-ynylidenecyclopropanes promoted by the 'first-generation' Grubbs carbene complex
40. A theoretical rationalization of the asymmetric induction in sulfinyl-directed [5C + 2C] intramolecular cycloadditions
41. Scope of Ru(II)-catalyzed synthesis of pyridines from alkynes and nitriles
42. Synthesis of polyhydroxycyclohexanes and relatives from (-)-quinic acid
43. Cyclic allene intermediates in itramolecular dehydro Diels-Alder reactions: labeling and theoretical cycloaromatization studies
44. Selective palladium-catalyzed cocyclotrimerization of arynes with dimethyl acetylenedicarboxylate: A versatile method for the synthesis of polycyclic aromatic hydrocarbons
45. Palladium-catalyzed [3+2] intramolecular cycloaddition of alk-5-enylidenecyclopropanes
46. Palladium-catalyzed [3+2] intermolecular cycloaddition of alk-5-ynylidenecyclopropanes: a rapid, practical approach to bicyclo[3.3.0]octenes
47. New cyclic peptide assemblies with hydrophobic cavities: The structural and thermodynamic basis of a new class of peptide nanotubes
48. Atom-efficient assembly of 1,5-oxygen-bridged medium-sized carbocycles by sequential combination of a Ru-catalyzed alkyne-alkene coupling and a Prins-type cyclization
49. Strained intermediates in intramolecular dehydro Diels-Alder reactions: Rearrangement of cyclic allenes via 1,2-dehydro(10)annulenes
50. Derivatives of methyl 5-methyl-4-oxo-1,2,4,5,8,8a-hexahydrocyclopropa(c)-pyrrolo(3,2-e)lindole-7-c arboxylate: A case of inverse electronic effects on the reactivity of CC-1065 derivatives
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