HERBICIDE AND PROCESS FOR PREPARING EFFECTIVE COMPOUND
The present invention provides a novel herbicidally active ester, namely the cyanomethyl ester of 4-(p-trifluoromethylphenoxy)- alpha -phenoxypropionic acid of the formula It is a further object of the invention to provide a herbicidal composition which contains this novel ester as active component...
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| creator | BOEHNER,BEAT,CH ROHR,OTTO,CH |
| description | The present invention provides a novel herbicidally active ester, namely the cyanomethyl ester of 4-(p-trifluoromethylphenoxy)- alpha -phenoxypropionic acid of the formula It is a further object of the invention to provide a herbicidal composition which contains this novel ester as active component and also a post-emergence method of selectively controlling monocotyledonous weeds in crops of dicotyledonous plants. The invention furthermore provides a process for the manufacture of the novel ester by methods which are known per se by reaction of a corresponding trifluoromethyl-phenoxy- alpha -phenoxypropionic acid halide with hydroxyacetonitrile (cyanomethanol) or by reaction of 4-(p-trifluoromethylphenoxy)-phenol with a alpha -halopropionic acid cyanomethyl ester. |
| format | Patent |
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The invention furthermore provides a process for the manufacture of the novel ester by methods which are known per se by reaction of a corresponding trifluoromethyl-phenoxy- alpha -phenoxypropionic acid halide with hydroxyacetonitrile (cyanomethanol) or by reaction of 4-(p-trifluoromethylphenoxy)-phenol with a alpha -halopropionic acid cyanomethyl ester.</description><edition>3</edition><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; AGRICULTURE ; ANIMAL HUSBANDRY ; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES ; CHEMISTRY ; FISHING ; FORESTRY ; HUMAN NECESSITIES ; HUNTING ; METALLURGY ; ORGANIC CHEMISTRY ; PEST REPELLANTS OR ATTRACTANTS ; PLANT GROWTH REGULATORS ; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF ; TRAPPING</subject><creationdate>1981</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19810331&DB=EPODOC&CC=CS&NR=203944B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19810331&DB=EPODOC&CC=CS&NR=203944B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BOEHNER,BEAT,CH</creatorcontrib><creatorcontrib>ROHR,OTTO,CH</creatorcontrib><title>HERBICIDE AND PROCESS FOR PREPARING EFFECTIVE COMPOUND</title><description>The present invention provides a novel herbicidally active ester, namely the cyanomethyl ester of 4-(p-trifluoromethylphenoxy)- alpha -phenoxypropionic acid of the formula It is a further object of the invention to provide a herbicidal composition which contains this novel ester as active component and also a post-emergence method of selectively controlling monocotyledonous weeds in crops of dicotyledonous plants. The invention furthermore provides a process for the manufacture of the novel ester by methods which are known per se by reaction of a corresponding trifluoromethyl-phenoxy- alpha -phenoxypropionic acid halide with hydroxyacetonitrile (cyanomethanol) or by reaction of 4-(p-trifluoromethylphenoxy)-phenol with a alpha -halopropionic acid cyanomethyl ester.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>AGRICULTURE</subject><subject>ANIMAL HUSBANDRY</subject><subject>BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES</subject><subject>CHEMISTRY</subject><subject>FISHING</subject><subject>FORESTRY</subject><subject>HUMAN NECESSITIES</subject><subject>HUNTING</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PEST REPELLANTS OR ATTRACTANTS</subject><subject>PLANT GROWTH REGULATORS</subject><subject>PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF</subject><subject>TRAPPING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1981</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDDzcA1y8nT2dHFVcPRzUQgI8nd2DQ5WcPMPArJdAxyDPP3cFVzd3FydQzzDXBWc_X0D_EP9XHgYWNMSc4pTeaE0N4O8m2uIs4duakF-fGpxQWJyal5qSbxzsJGBsaWJiZORMWEVAG2SJws</recordid><startdate>19810331</startdate><enddate>19810331</enddate><creator>BOEHNER,BEAT,CH</creator><creator>ROHR,OTTO,CH</creator><scope>EVB</scope></search><sort><creationdate>19810331</creationdate><title>HERBICIDE AND PROCESS FOR PREPARING EFFECTIVE COMPOUND</title><author>BOEHNER,BEAT,CH ; ROHR,OTTO,CH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CS203944B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1981</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>AGRICULTURE</topic><topic>ANIMAL HUSBANDRY</topic><topic>BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES</topic><topic>CHEMISTRY</topic><topic>FISHING</topic><topic>FORESTRY</topic><topic>HUMAN NECESSITIES</topic><topic>HUNTING</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>PEST REPELLANTS OR ATTRACTANTS</topic><topic>PLANT GROWTH REGULATORS</topic><topic>PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF</topic><topic>TRAPPING</topic><toplevel>online_resources</toplevel><creatorcontrib>BOEHNER,BEAT,CH</creatorcontrib><creatorcontrib>ROHR,OTTO,CH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BOEHNER,BEAT,CH</au><au>ROHR,OTTO,CH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HERBICIDE AND PROCESS FOR PREPARING EFFECTIVE COMPOUND</title><date>1981-03-31</date><risdate>1981</risdate><abstract>The present invention provides a novel herbicidally active ester, namely the cyanomethyl ester of 4-(p-trifluoromethylphenoxy)- alpha -phenoxypropionic acid of the formula It is a further object of the invention to provide a herbicidal composition which contains this novel ester as active component and also a post-emergence method of selectively controlling monocotyledonous weeds in crops of dicotyledonous plants. The invention furthermore provides a process for the manufacture of the novel ester by methods which are known per se by reaction of a corresponding trifluoromethyl-phenoxy- alpha -phenoxypropionic acid halide with hydroxyacetonitrile (cyanomethanol) or by reaction of 4-(p-trifluoromethylphenoxy)-phenol with a alpha -halopropionic acid cyanomethyl ester.</abstract><edition>3</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING |
| title | HERBICIDE AND PROCESS FOR PREPARING EFFECTIVE COMPOUND |
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