Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona
Autor(a) principal: | |
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Data de Publicação: | 2002 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | LOCUS Repositório Institucional da UFV |
Texto Completo: | http://dx.doi.org/10.1590/S0100-40422002000200006 http://www.locus.ufv.br/handle/123456789/24916 |
Resumo: | The alkene 2,4-dimethyl-8-oxabicyclo[3.2.1]-oct-6-en-3-one (3) was converted to 1,3,10-trimethyl-8-oxabicyclo[5.3.0]-dec-3-ene-2,9-dione (7) and 1,3-dimethyl-8-oxabicyclo[5.3.0]-dec-3-ene-2,9-dione (8) with a 55% overall yield in both cases. Lactones (7) and (8) were converted in two steps to 1,3,4-trimethyl-13-methylene-6-oxatricyclo[8.3.0.0 3,7]-trideca-2,5,12-trione (12) (63%) and 1,3-dimethyl-13-methylene-6-oxatricycle[8.3.0.0 3,7]-trideca-2,5,12-trione (13) (45% from 8). The effect of lactones (7), (8), (12), (13) and the intermediates (5) and (6), at the concentration of 250 mg mL-1, on the growth of Cucumis sativus L. and Sorghum bicolor L. was evaluated. The best results were observed for lactone (13) that caused 100% inhibition on the root growth of C. sativus and lactone (12) that inhibited 90% of the root growth for S. bicolor. |
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Barbosa, Luiz Cláudio de AlmeidaMaltha, Célia Regina ÁlvaresBorges, Eduardo Euclides Lima2019-05-02T13:37:23Z2019-05-02T13:37:23Z2002-041678-7064http://dx.doi.org/10.1590/S0100-40422002000200006http://www.locus.ufv.br/handle/123456789/24916The alkene 2,4-dimethyl-8-oxabicyclo[3.2.1]-oct-6-en-3-one (3) was converted to 1,3,10-trimethyl-8-oxabicyclo[5.3.0]-dec-3-ene-2,9-dione (7) and 1,3-dimethyl-8-oxabicyclo[5.3.0]-dec-3-ene-2,9-dione (8) with a 55% overall yield in both cases. Lactones (7) and (8) were converted in two steps to 1,3,4-trimethyl-13-methylene-6-oxatricyclo[8.3.0.0 3,7]-trideca-2,5,12-trione (12) (63%) and 1,3-dimethyl-13-methylene-6-oxatricycle[8.3.0.0 3,7]-trideca-2,5,12-trione (13) (45% from 8). The effect of lactones (7), (8), (12), (13) and the intermediates (5) and (6), at the concentration of 250 mg mL-1, on the growth of Cucumis sativus L. and Sorghum bicolor L. was evaluated. The best results were observed for lactone (13) that caused 100% inhibition on the root growth of C. sativus and lactone (12) that inhibited 90% of the root growth for S. bicolor.porQuímica Novav. 25, n. 2, p. 203- 208, abr.- mai. 2002[ 3+ 4] cycloadditionLactonesHerbicidesSíntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- onainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfinfo:eu-repo/semantics/openAccessreponame:LOCUS Repositório Institucional da UFVinstname:Universidade Federal de Viçosa (UFV)instacron:UFVORIGINALartigo.pdfartigo.pdftexto completoapplication/pdf392454https://locus.ufv.br//bitstream/123456789/24916/1/artigo.pdfcabb168275713c598d34d85aa34441b3MD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81748https://locus.ufv.br//bitstream/123456789/24916/2/license.txt8a4605be74aa9ea9d79846c1fba20a33MD52123456789/249162019-05-02 10:42:06.95oai:locus.ufv.br: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Repositório InstitucionalPUBhttps://www.locus.ufv.br/oai/requestfabiojreis@ufv.bropendoar:21452019-05-02T13:42:06LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)false |
dc.title.pt-BR.fl_str_mv |
Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona |
title |
Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona |
spellingShingle |
Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona Barbosa, Luiz Cláudio de Almeida [ 3+ 4] cycloaddition Lactones Herbicides |
title_short |
Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona |
title_full |
Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona |
title_fullStr |
Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona |
title_full_unstemmed |
Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona |
title_sort |
Síntese e avaliação da atividade fitotóxica de lactonas derivadas do 2, 4- dimetil- 8- oxabiciclo[ 3. 2. 1]- oct- 6- en- 3- ona |
author |
Barbosa, Luiz Cláudio de Almeida |
author_facet |
Barbosa, Luiz Cláudio de Almeida Maltha, Célia Regina Álvares Borges, Eduardo Euclides Lima |
author_role |
author |
author2 |
Maltha, Célia Regina Álvares Borges, Eduardo Euclides Lima |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Barbosa, Luiz Cláudio de Almeida Maltha, Célia Regina Álvares Borges, Eduardo Euclides Lima |
dc.subject.pt-BR.fl_str_mv |
[ 3+ 4] cycloaddition Lactones Herbicides |
topic |
[ 3+ 4] cycloaddition Lactones Herbicides |
description |
The alkene 2,4-dimethyl-8-oxabicyclo[3.2.1]-oct-6-en-3-one (3) was converted to 1,3,10-trimethyl-8-oxabicyclo[5.3.0]-dec-3-ene-2,9-dione (7) and 1,3-dimethyl-8-oxabicyclo[5.3.0]-dec-3-ene-2,9-dione (8) with a 55% overall yield in both cases. Lactones (7) and (8) were converted in two steps to 1,3,4-trimethyl-13-methylene-6-oxatricyclo[8.3.0.0 3,7]-trideca-2,5,12-trione (12) (63%) and 1,3-dimethyl-13-methylene-6-oxatricycle[8.3.0.0 3,7]-trideca-2,5,12-trione (13) (45% from 8). The effect of lactones (7), (8), (12), (13) and the intermediates (5) and (6), at the concentration of 250 mg mL-1, on the growth of Cucumis sativus L. and Sorghum bicolor L. was evaluated. The best results were observed for lactone (13) that caused 100% inhibition on the root growth of C. sativus and lactone (12) that inhibited 90% of the root growth for S. bicolor. |
publishDate |
2002 |
dc.date.issued.fl_str_mv |
2002-04 |
dc.date.accessioned.fl_str_mv |
2019-05-02T13:37:23Z |
dc.date.available.fl_str_mv |
2019-05-02T13:37:23Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1590/S0100-40422002000200006 http://www.locus.ufv.br/handle/123456789/24916 |
dc.identifier.issn.none.fl_str_mv |
1678-7064 |
identifier_str_mv |
1678-7064 |
url |
http://dx.doi.org/10.1590/S0100-40422002000200006 http://www.locus.ufv.br/handle/123456789/24916 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.ispartofseries.pt-BR.fl_str_mv |
v. 25, n. 2, p. 203- 208, abr.- mai. 2002 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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Química Nova |
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Química Nova |
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