Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Jones Jr Joel"'
1
Akademický článek
Reações orgânicas em meio aquoso
Autor: Silva Flavia Martins da, Jones Jr Joel
Publikováno v: Química Nova, Vol 24, Iss 5, Pp 646-657 (2001)
The use of water as solvent in organic reactions has been uncommon for several reasons, among them the low solubility of the reactants, the incompatibility of the intermediates with water, and the competition between the desired reaction and hydrolys
Externí odkaz: https://doaj.org/article/124988b4ac0c4d9fa9553475cf2528f4
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2
Akademický článek
Cohalogenation of limonene, carvomenthene and related unsaturated monoterpenic alcohols
Autor: Sanseverino Antonio M., Silva Flavia M. da, Jones Jr Joel, Mattos Marcio C. S. de
Publikováno v: Journal of the Brazilian Chemical Society, Vol 11, Iss 4, Pp 381-386 (2000)
Cohalogenation of (R)-limonene and (R)-carvomenthene with I2/H2O/Cu(OAc)2·H 2O in aqueous dioxane followed by base treatment produced stereospecifically the corresponding trans-epoxides. Same methodology of cohalogenation applied to related monoterp
Externí odkaz: https://doaj.org/article/ffb228a19a8340938a5b29065c502098
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3
Akademický článek
A Novel Synthesis of 1-Acetyl-4-Isopropenyl-1-Cyclopentene by Chemoselective Cyclization of 4-Methyl-3-(Oxobutyl)-4-Pentenal: An Important Intermediate for Natural Product Synthesis
Autor: Castro Fernando de Lima, Kover Renata Xavier, Kover Warner Bruce, Jones Jr Joel
Publikováno v: Journal of the Brazilian Chemical Society, Vol 10, Iss 2, Pp 112-116 (1999)
This article presents the direct oxidation of limonene-oxide 1 with KIO4 in water, which is the best way to obtain the keto-aldehyde 3, an important intermediate in natural product synthesis. The cyclization of keto-aldehyde 3 with acidic Al2O3 proce
Externí odkaz: https://doaj.org/article/12f6c94b6588451cba40135ffd2d3401
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4
Akademický článek
Organic reaction in water. Part 31: diastereoselectivity in Michael additions of thiophenol to nitro olefins in aqueous media
Autor: Silva Flavia M. da, Jones Jr Joel
Publikováno v: Journal of the Brazilian Chemical Society, Vol 12, Iss 2, Pp 135-137 (2001)
Thiophenol reacts with nitro olefins in aqueous media to give the corresponding nitro-sulfides in 58-95% yield. This procedure results in selective formation of the anti products. In the case of the cyclic nitro olefin 1-nitro-cyclohexene the only pr
Externí odkaz: https://doaj.org/article/b5d9f5087fb64fc0bb3536a6a23b5021
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5
Akademický článek
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6
Coiodação de alquenos com nucleófilos oxigenados: reações intermoleculares
Autor: Sanseverino Antonio Manzolillo, Silva Flavia Martins da, Jones Jr. Joel, Mattos Marcio C. S. de
Publikováno v: Química Nova, Volume: 24, Issue: 5, Pages: 637-645, Published: OCT 2001
Química Nova v.24 n.5 2001
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 24, Iss 5, Pp 637-645 (2001)
A review on the electrophilic addition of iodine to alkenes in the presence of oxygen containing nucleophiles (cohalogenation reaction) is presented. The intermolecular reactions are discussed with emphasis in methods of reaction and synthetic applic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::420efe144a971c4fe3d1a04fb16da455
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422001000500011&lng=en&tlng=en
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7
Organic reaction in water. Part 3¹: diastereoselectivity in Michael additions of thiophenol to nitro olefins in aqueous media
Autor: Silva, Flavia M. da, Jones Jr, Joel
Publikováno v: Journal of the Brazilian Chemical Society, Volume: 12, Issue: 2, Pages: 135-137, Published: APR 2001
Thiophenol reacts with nitro olefins in aqueous media to give the corresponding nitro-sulfides in 58-95% yield. This procedure results in selective formation of the anti products. In the case of the cyclic nitro olefin 1-nitro-cyclohexene the only pr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______608::58ae2c0376e003c44867a7ca3516fd40
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532001000200002&lng=en&tlng=en
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8
Cohalogenation of limonene, carvomenthene and related unsaturated monoterpenic alcohols
Autor: Sanseverino, Antonio M., Silva, Flavia M. da, Jones Jr, Joel, Mattos, Marcio C. S. de
Publikováno v: Journal of the Brazilian Chemical Society v.11 n.4 2000
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Vol 11, Iss 4, Pp 381-386 (2000)
Journal of the Brazilian Chemical Society, Volume: 11, Issue: 4, Pages: 381-386, Published: AUG 2000
Cohalogenation of (R)-limonene and (R)-carvomenthene with I2/H2O/Cu(OAc)2·H 2O in aqueous dioxane followed by base treatment produced stereospecifically the corresponding trans-epoxides. Same methodology of cohalogenation applied to related monoterp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8c6efa162e918df289df38c4195693df
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532000000400010
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