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da Silva PVB, Ramiro MM, Iriguchi EKK, Corrêa WA, Lowe J, Cardoso CAL, Arena AC, Kassuya CAL, Muzzi RM. Antidiabetic, cytotoxic and antioxidant activities of oil extracted from Acrocomia aculeata pulp. Nat Prod Res 2018; 33:2413-2416. [DOI: 10.1080/14786419.2018.1446006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
| | | | | | | | - Jennifer Lowe
- Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Arielle C. Arena
- Institute of Biosciences of Botucatu, São Paulo State University (UNESP), São Paulo, Brazil
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Abstract
Abstract
The series of 2,4-dihydroxy-6-methylbenzoates 2-10 (methyl to hexyl orsellinates) prepared by alcoholysis of lecanoric acid (1) - a natural product from the lichen Parmotrema tinctorum (Nyl.) Hale - was submitted to the brine shrimp lethality test (BST), which was also performed for 2,4-dihydroxy-6-methylbenzoic acid (11) (orsellinic acid) and the derivative ethyl-2-hydroxy-4-methoxy-6-methylbenzoate (12) (4-methoxy-ethyl orsellinate), in order to detect new substances with probable antineoplasic activity. Results showed that chain elongation - increase in lipophilicity (log P) - causes a rise in the cytotoxic activity of orsellinates. Hexyl orsellinate (7) showed the highest cytotoxic activity (LC50 = 31 μм). A correlation between lipophilicity (log P) and cytotoxic activity (log 1/LC50) is presented. Compounds with ramified chains - iso-propyl, sec-butyl and tert-butyl orsellinates (8-10) - were less active than those with the correspondent linear chain. The activities presented by 4-methoxy-ethyl orsellinate (12) and ethyl orsellinate (3) suggest that the hydroxy group at the C-4 position causes effect in the cytotoxic activity of orsellinates against Artemia salina.
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Affiliation(s)
- Alcir T Gomes
- Universidade Federal de Mato Grosso do Sul, Departamento de Química, C. Postal 549, 79070-900, Campo Grande, Mato Grosso do Sul, Brazil
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Gallo RDC, Gebara KS, Muzzi RM, Raminelli C. Efficient and selective iodination of phenols promoted by iodine and hydrogen peroxide in water. J BRAZIL CHEM SOC 2010. [DOI: 10.1590/s0103-50532010000400026] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Gallo RDC, Rezende HV, Muzzi RM, Raminelli C. O ressurgimento da química de benzino com sililaril triflatos no contexto das reações de inserção em ligações sigma. QUIM NOVA 2009. [DOI: 10.1590/s0100-40422009000900037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Gomes AT, Honda NK, Roese FM, Muzzi RM, Marques MR. Bioactive derivatives obtained from lecanoric acid, a constituent of the lichen Parmotrema tinctorum (Nyl.) Hale (Parmeliaceae). Rev bras farmacogn 2002. [DOI: 10.1590/s0102-695x2002000300036] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Ferraz HM, Muzzi RM, de O. Vieira T, Viertler H. A simple and efficient protocol for epoxidation of olefins using dimethyldioxirane. Tetrahedron Lett 2000. [DOI: 10.1016/s0040-4039(00)00769-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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