Potential Controlled-Release Herbicides from 2,4-D Esters of Starches
Unmodified, cyanoethylated, and crosslinked corn starches were reacted with 2,4-dichlorophenoxyacetyl chloride in pyridine to produce the corresponding 2,4-D [(2,4-dichlorophenoxy)acetic acid]esters of high acyl content. Hydrolysis studies at pH 6 and 8 at ambient temperature showed that these insol...
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| Veröffentlicht in: | Weed science 1974-09, Vol.22 (5), p.415-418 |
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| container_end_page | 418 |
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| container_issue | 5 |
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| container_title | Weed science |
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| creator | Mehltretter, C. L. Roth, W. B. Weakley, F. B. McGuire, T. A. Russell, C. R. |
| description | Unmodified, cyanoethylated, and crosslinked corn starches were reacted with 2,4-dichlorophenoxyacetyl chloride in pyridine to produce the corresponding 2,4-D [(2,4-dichlorophenoxy)acetic acid]esters of high acyl content. Hydrolysis studies at pH 6 and 8 at ambient temperature showed that these insoluble compositions liberated varying amounts of 2,4-D and soluble 2,4-D esters by ester link and glucoside bond cleavage, respectively, at rates that indicate their possible use as controlled-release herbicides. |
| doi_str_mv | 10.1017/S0043174500037917 |
| format | Article |
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Hydrolysis studies at pH 6 and 8 at ambient temperature showed that these insoluble compositions liberated varying amounts of 2,4-D and soluble 2,4-D esters by ester link and glucoside bond cleavage, respectively, at rates that indicate their possible use as controlled-release herbicides.</description><identifier>ISSN: 0043-1745</identifier><identifier>EISSN: 1550-2759</identifier><identifier>DOI: 10.1017/S0043174500037917</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>2,4-D ; Acid soils ; Ambient temperature ; bond cleavage ; chemical bonding ; Chlorides ; corn starch ; Cornstarch ; crosslinking ; cyanoethylated starches ; degradation ; Esters ; Herbicides ; Hydrolysis ; pesticide formulations ; polymers ; slow-release herbicides ; Soil pollution ; solubility ; Starches</subject><ispartof>Weed science, 1974-09, Vol.22 (5), p.415-418</ispartof><rights>Copyright © 1974 by the Weed Science Society of America</rights><rights>Copyright 1974 The Weed Science Society of America</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c287t-c2fd1f737c89931c93d29761f1fe09de490c114e59e51f8935cbf903e61833023</citedby><cites>FETCH-LOGICAL-c287t-c2fd1f737c89931c93d29761f1fe09de490c114e59e51f8935cbf903e61833023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/4042413$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/4042413$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,27901,27902,57992,58225</link.rule.ids></links><search><creatorcontrib>Mehltretter, C. 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Hydrolysis studies at pH 6 and 8 at ambient temperature showed that these insoluble compositions liberated varying amounts of 2,4-D and soluble 2,4-D esters by ester link and glucoside bond cleavage, respectively, at rates that indicate their possible use as controlled-release herbicides.</description><subject>2,4-D</subject><subject>Acid soils</subject><subject>Ambient temperature</subject><subject>bond cleavage</subject><subject>chemical bonding</subject><subject>Chlorides</subject><subject>corn starch</subject><subject>Cornstarch</subject><subject>crosslinking</subject><subject>cyanoethylated starches</subject><subject>degradation</subject><subject>Esters</subject><subject>Herbicides</subject><subject>Hydrolysis</subject><subject>pesticide formulations</subject><subject>polymers</subject><subject>slow-release herbicides</subject><subject>Soil pollution</subject><subject>solubility</subject><subject>Starches</subject><issn>0043-1745</issn><issn>1550-2759</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1974</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEQxYMoWKsfQBDdD-DqTP40m6PUaoWCYu15SbOTumXbSLIe_Pbu0uKl4GXm8Htv5vEYu0S4Q0B9PweQArVUACC0QX3EBqgU5Fwrc8wGPc57fsrOUloD4IijGbDJW2hp29a2ycZh28bQNFTl79SQTZRNKS5rV1eUMh_DJuO3Mn_MJqmlmLLgs3lro_ukdM5OvG0SXez3kC2eJh_jaT57fX4ZP8xyxwvddtNX6LXQrjBGoDOi4kaP0KMnMBVJAw5RkjKk0BdGKLf0BgSNsBACuBgy3N11MaQUyZdfsd7Y-FMilH0P5UEPnedq51mnNsQ_gwTJJYoO3-ywt6G0q1incjHngAIEFmCU6RTXhwo0un-B3MhOIPap7GYZ62pF5Tp8x23XxD-5fgGo4XjH</recordid><startdate>19740901</startdate><enddate>19740901</enddate><creator>Mehltretter, C. L.</creator><creator>Roth, W. B.</creator><creator>Weakley, F. B.</creator><creator>McGuire, T. A.</creator><creator>Russell, C. R.</creator><general>Cambridge University Press</general><general>Weed Science Society of America</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19740901</creationdate><title>Potential Controlled-Release Herbicides from 2,4-D Esters of Starches</title><author>Mehltretter, C. L. ; Roth, W. B. ; Weakley, F. B. ; McGuire, T. A. ; Russell, C. 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B.</creatorcontrib><creatorcontrib>Weakley, F. B.</creatorcontrib><creatorcontrib>McGuire, T. A.</creatorcontrib><creatorcontrib>Russell, C. R.</creatorcontrib><creatorcontrib>Costa Rica Univ., San Jose. Facultad de Agronomia</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><jtitle>Weed science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mehltretter, C. L.</au><au>Roth, W. B.</au><au>Weakley, F. B.</au><au>McGuire, T. A.</au><au>Russell, C. R.</au><aucorp>Costa Rica Univ., San Jose. Facultad de Agronomia</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Potential Controlled-Release Herbicides from 2,4-D Esters of Starches</atitle><jtitle>Weed science</jtitle><addtitle>Weed sci</addtitle><date>1974-09-01</date><risdate>1974</risdate><volume>22</volume><issue>5</issue><spage>415</spage><epage>418</epage><pages>415-418</pages><issn>0043-1745</issn><eissn>1550-2759</eissn><abstract>Unmodified, cyanoethylated, and crosslinked corn starches were reacted with 2,4-dichlorophenoxyacetyl chloride in pyridine to produce the corresponding 2,4-D [(2,4-dichlorophenoxy)acetic acid]esters of high acyl content. Hydrolysis studies at pH 6 and 8 at ambient temperature showed that these insoluble compositions liberated varying amounts of 2,4-D and soluble 2,4-D esters by ester link and glucoside bond cleavage, respectively, at rates that indicate their possible use as controlled-release herbicides.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><doi>10.1017/S0043174500037917</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0043-1745 |
| ispartof | Weed science, 1974-09, Vol.22 (5), p.415-418 |
| issn | 0043-1745 1550-2759 |
| language | eng |
| recordid | cdi_crossref_primary_10_1017_S0043174500037917 |
| source | JSTOR |
| subjects | 2,4-D Acid soils Ambient temperature bond cleavage chemical bonding Chlorides corn starch Cornstarch crosslinking cyanoethylated starches degradation Esters Herbicides Hydrolysis pesticide formulations polymers slow-release herbicides Soil pollution solubility Starches |
| title | Potential Controlled-Release Herbicides from 2,4-D Esters of Starches |
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