Microbial transformation of the herbicide metolachlor by a soil actinomycete
Transformation of metolachlor (2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)-a cetamide) was studied with an actinomycete strain isolated from metolachlor-contaminated soil. Eight metabolites were obtained and identified by mass and NMR spectral analysis. Benzylic hydroxylation of...
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Published in | Journal of agricultural and food chemistry Vol. 33; no. 4; pp. 584 - 589 |
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Main Authors | , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Washington, DC
American Chemical Society
01.07.1985
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Abstract | Transformation of metolachlor (2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)-a cetamide) was studied with an actinomycete strain isolated from metolachlor-contaminated soil. Eight metabolites were obtained and identified by mass and NMR spectral analysis. Benzylic hydroxylation of the aralkyl side chains and/or demethylation at the N-alkyl substituent appeared to be the only transformations involved. All metabolites had a monochlorine isotopic pattern, indicating that no dehalogenation of the chloroacetyl moiety occurred. |
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AbstractList | Transformation of metolachlor (2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)-a cetamide) was studied with an actinomycete strain isolated from metolachlor-contaminated soil. Eight metabolites were obtained and identified by mass and NMR spectral analysis. Benzylic hydroxylation of the aralkyl side chains and/or demethylation at the N-alkyl substituent appeared to be the only transformations involved. All metabolites had a monochlorine isotopic pattern, indicating that no dehalogenation of the chloroacetyl moiety occurred. |
Author | Krause, Adam Hancock, W. Gregory Freyer, Alan J Liu, Shuyen Minard, Robert D Honeycutt, Richard C Paulson, Donald L Bollag, Jean Marc LeBaron, Homer M |
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SubjectTerms | Actinomycetes Agronomy. Soil science and plant productions Animal, plant and microbial ecology biodegradation Biological and medical sciences Chemical, physicochemical, biochemical and biological properties Fundamental and applied biological sciences. Psychology herbicides metolachlor Microbial ecology Physics, chemistry, biochemistry and biology of agricultural and forest soils Soil Soil science soils |
Title | Microbial transformation of the herbicide metolachlor by a soil actinomycete |
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