50 results on '"Castedo, Luis"'
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2. Photocyclization of Tosylstilbenes as a Key Reaction in the Preparation of an Analogue of the Antitumor Agent CC-1065
3. “Formal” and Standard Ruthenium-Catalyzed [2 + 2 + 2] Cycloaddition Reaction of 1,6-Diynes to Alkenes: A Mechanistic Density Functional Study
4. Synthesis of ω-(Hetero)arylalkynylated α-Amino Acid by Sonogashira-Type Reactions in Aqueous Media
5. Synthesis of Marine Polyacetylenes Callyberynes A−C by Transition-Metal-Catalyzed Cross-Coupling Reactions to sp Centers
6. RCM for the Construction of Novel Steroid-like Polycyclic Systems. 1. Studies on the Synthesis of a PreD3-D3Transition State Analogue
7. First Stereoselective Syntheses of (−)-Siphonodiol and (−)-Tetrahydrosiphonodiol, Bioactive Polyacetylenes from Marine Sponges
8. 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
9. A Theoretical Rationalization of the Asymmetric Induction in Sulfinyl-Directed [5C + 2C] Intramolecular Cycloadditions
10. Scope of Ru(II)-Catalyzed Synthesis of Pyridines from Alkynes and Nitriles
11. Synthesis of Polyhydroxycyclohexanes and Relatives from (−)-Quinic Acid
12. Cyclic Allene Intermediates in Intramolecular Dehydro Diels−Alder Reactions: Labeling and Theoretical Cycloaromatization Studies
13. Selective Palladium-Catalyzed Cocyclotrimerization of Arynes with Dimethyl Acetylenedicarboxylate: A Versatile Method for the Synthesis of Polycyclic Aromatic Hydrocarbons
14. Unmasking the 6,7,5-Tricarbocyclic Frame of [5 + 2]/[4 + 2] Pyrone−Alkene Cycloadducts
15. Regioselective Synthesis of Isoquino[1,2-b][3]benzazepines (Homoprotoberberines) through 11-Membered-Ring Stilbene Lactams Obtained by Radical Macrocyclization
16. [5 + 2] Pyrone−Alkene Cycloaddition Approach to Tetrahydrofurans. Expeditious Synthesis of (±)-Nemorensic Acid
17. Straightforward Construction of Fused 6,7,5-Tricarbocyclic Systems by Tandem [5 + 2]/[4 + 2] Cycloadditions
18. Dioxirane Epoxidation of 10-Membered-Ring Stilbene Lactams as Synthetic Precursors to Protoberberines
19. A Practical Approach to cis-2,5-Disubstituted Tetrahydrofurans and O-Bridged Medium-Sized Carbocycles from [5 + 2] Pyrone−Alkene Cycloadducts
20. Alkenylzinc-Mediated Approach to the Vitamin D Skeleton. Application to the Synthesis of 6-Methyl Analogs of Vitamin and Previtamin D
21. A Short, Efficient Copper-Mediated Synthesis of 1α,25-Dihydroxyvitamin D2 (1α,25-Dihydroxyergocalciferol) and C-24 Analogs1,2
22. Synthesis of Annelated Substituted Bipyridines and Terpyridines by Cobalt(I)-Catalyzed [2 + 2 + 2] Cycloaddition
23. A New Convergent Approach to the Polycyclic Framework of Dynemicin A
24. A Synthetic Route to (±)-Clavizepine through a Dibenzoxepine Intermediate†
25. Synthesis of Antitumor Lycorines by Intramolecular Diels−Alder Reaction†
26. 3-Hydroxy-4-pyrones as Precursors of 4-Methoxy-3-oxidopyridinium Ylides. An Expeditious Entry to Highly Substituted 8-Azabicyclo[3.2.1]octanes
27. A Radical Cyclization Approach to Isoindolobenzazepines. Synthesis of Lennoxamine
28. Photochemical Ring Closure of 1-Tosyl-1,2-diarylethenes
29. Synthesis of lycorines by intramolecular aryne cycloadditions
30. Temporary tethering strategies for [5 + 2] pyrone-alkene cycloadditions
31. Synthesis of 2-[N-(9-phenylfluoren-9-yl)amino]-1-indanones by anionic cyclization of phenylalanine-derived oxazolidinones
32. Synthesis of 3-phenylisoquinolones by reaction of simple pyrroline-2,3-diones with benzyne. New mechanistic considerations
33. Ultrasonically induced conjugate addition of iodides to electron-deficient olefins and its application to the synthesis of side-chain analogs of the hormone 1.alpha.,25-dihydroxyvitamin D3
34. Studies on the opening of dioxanone and acetal templates and application to the synthesis of 1.alpha.,25-dihydroxyvitamin D2
35. Cycloaddition reactions of isoquinoline-pyrroline-2,3-dione and .beta.-carboline-pyrroline-2,3-dione with benzyne. Total synthesis of 8-oxypseudopalmatine and decarbomethoxydihydrogambirtannine
36. A new approach to the synthesis of antitumor benzophenanthridine alkaloids. Formal synthesis of nitidine
37. Intermolecular benzyne cycloaddition (IBC), a versatile approach to benzophenanthridine antitumor alkaloids. Formal synthesis of nitidine and chelerythrine
38. 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
39. Reactivity of o-styryloxazolines with nucleophiles
40. Synthesis of hydrindan derivatives related to vitamin D
41. A new synthesis of phthalides by internal trapping in ortho-lithiated carbamates derived from benzylic alcohols
42. Stereoselective synthesis and thermal rearrangement of the first analog of 7(Z)-vitamin D
43. Synthesis and rearrangement of spiro[indan-2,3'-1',2',3',4'-tetrahydroisoquinolin-1'-ones]: a new approach to benzo[b]phenanthridinones
44. Ring C homologation of aporphines. A new synthesis of homoaporphines
45. A regioselective entry to 13-substituted 8-oxoprotoberberines. Total synthesis of (.+-.)-corydaline
46. Studies on the synthesis of side-chain hydroxylated metabolites of vitamin D. 2. Stereocontrolled synthesis of 25-hydroxyvitamin D2
47. Selective reductive carbonyl couplings with titanium
48. 4,5-O-Substituted phenanthrenes from cyclophanes. The total synthesis of cannithrene II
49. Synthesis of oxoaporphines. An unusual photocyclization-photoreduction of 2,3-diaryl-.DELTA.2-pyrroline-4,5-diones
50. Complete structural analysis of cyclic polyhalogenated monoterpenes. A force field 2-dimensional NMR study
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