48 results on '"Pinto, Angelo C."'
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2. Esterification of fatty acids using acid-activated Brazilian smectite natural clay as a catalyst
3. Evaluating the use of EN 14078 for determination of biodiesel in diesel blends sold in the Brazilian market
4. Synthesis of porphyrin indolin-2-one conjugates via palladium-catalyzed amination reactions
5. The first total synthesis of ( R)-convolutamydine A
6. New 1,2,3,4-tetrahydro-1-aza-anthraquinones and 2-aminoalkyl compounds from norlapachol with molluscicidal activity
7. Indole alkaloids from Tabernaemontana australis (Müell. Arg) Miers that inhibit acetylcholinesterase enzyme
8. Molluscicidal activity of synthetic lapachol amino and hydrogenated derivatives
9. Application of a catalytic palladium biaryl synthesis reaction, via C–H functionalization, to the total synthesis of Amaryllidaceae alkaloids
10. A versatile synthetic methodology for the synthesis of tryptophols
11. Azepines from the intramolecular Prins cyclization of an aminoderivative of lapachol
12. Synthesis of 1-ferrocenyl-2-aryl(heteroaryl)acetylenes and 2-ferrocenylindole derivatives via the Sonogashira–Heck–Cassar reaction
13. Secondary amines and unexpected 1-aza-anthraquinones from 2-methoxylapachol
14. A synthesis of 3-fluoroindoles and 3,3-difluoroindolines by reduction of 3,3-difluoro-2-oxindoles using a borane tetrahydrofuran complex
15. Chemistry of pyrrolizidine alkaloids revisited—semi-synthetic microwave and continuous-flow approaches toward Crotalaria-alkaloids
16. Pronounced ionic liquid effect in the synthesis of biologically active isatin-3-oxime derivatives under acid catalysis
17. Investigation of the selective reduction of isatin derivatives. Synthesis of α-hydroxyacetophenone derivatives and ethyl spiro-3,3-(ethylenedioxy)-2-hydroxyindoline carboxylates
18. Aromatic iodination in aqueous solution. A new lease of life for aqueous potassium dichloroiodate
19. A modified Sandmeyer methodology and the synthesis of (±)-convolutamydine A
20. Synthesis of enantiomeric gibberellin analogs from natural isopimarenes
21. The isolation of novel diterpenoids, including a C 40bis-diterpenoid, from the Brazilian plant Vellozia magdalenae (Velloziaceae)
22. Diterpenoids from Vellozia declinans
23. Clerodanes and tetranorclerodane from Vellozia bicolor
24. Oxidative cleavage of 1,2-glycols and α-hydroxy ketones with the ag]
25. Two new diterpenes with a rosane skeleton from velloziaceae.
26. Natural abundance 13C - 13C coupling constants observed via double quantum coherence. Structural elucidation by the one- and the two-dimensional NMR experiements of velloziolone, a new seco-diterpene.
27. The stereoselective synthesis of terpene tetrahydrofurans using thallium triacetate
28. Mercuric ion-induced intramolecular cyclization of 2-amino-4- alkenylamine derivatives. Stereoselective synthesis of 3-aminopyrrolidines
29. Diterpenes from Vellozia patens
30. Six diterpenes from Vellozia compacta
31. Three ent-kaurene diterpenes from Vellozia caput-ardeae
32. Norditerpenoids from Vellozia pusilla
33. Diterpenes from Vellozia nanuzae
34. Terpenoids from Croton cajucara
35. Minor cleisthantane and tetranorfriedolabdane from Vellozia flavicans
36. Three isomeric diterpenes from Vellozia flavicans
37. A tetranorfriedolabdane diterpene from Vellozia stipitata
38. Two norditerpenes with an isopimarane skeleton from Vellozia varoabilis
39. Bisnorditerpenes with a barbacenane skeleton from Barbacenia flava
40. Diterpenoids from Dypterix odorata
41. A bis- nor-diterpene from Vellozia variabilis
42. Diterpenoids from Vellozia flavicans
43. Two diterpenes with a cleistanthane skeleton from Vellozia declinans
44. Vellozone, a tetracyclic triterpene from Vellozia stipitata
45. Compactone, a new diterpenoid from Vellozia compacta
46. Two kaurenes from Vellozia caput-ardeae
47. Two diterpenes with a cleistanthane skeleton from Vellozia nivea
48. Terpenoids from Copaiba Cearensis
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