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4. New generation of protox-inhibiting herbicides

Author

Saroj Sehgel, George Theodoridis, James T. Bahr, Frederick W. Hotzman, and Dominic P. Suarez

Subjects
Crop, chemistry.chemical_compound, Agronomy, chemistry, Defoliant, Plant enzyme, Phytotoxicity, Protoporphyrinogen oxidase, Biology, Weed control, Chemical control, Agronomy and Crop Science
Abstract

Benzfendizone belongs to the 2-[(4-heterocyclic-phenoxymethyl)-phenoxy]alkanoate class of herbicides which are potent inhibitors of the plant enzyme protoporphyrinogen oxidase (Protox). Benzfendizone, when applied postemergence, provides control of a number of key grass and broadleaf weeds in orchards and no-till crop situations. Benzfendizone can also be used as a potato desiccant and cotton defoliant. Crops such as soyabean and corn showed no injury when planted 2–3 days following postemergence application of benzfendizone.

Published
2000

6. Synthesis and structure-activity relationships of 1-aryl-4-substituted-1,4-dihydro-5H-tetrazol-5-ones, a novel class of pre- and post-emergence herbicides

Author

Lynn W. Scherer, Bruce A. Smith, Frederick W. Hotzman, John M. Tymonko, Michael J. Wyle, and George Theodoridis

Subjects
chemistry.chemical_compound, chemistry, Stereochemistry, Aryl, Substituent, Phenyl group, Tetrazole, Weed control, Weed, Selectivity, Applied Microbiology and Biotechnology, Chemical synthesis
Abstract

L-Aryl-4-substituted-1,4-dihydro-5H-tetrazol-5-ones (I) represent a new class of herbicides, which, when applied pre- or post-emergence in the presence of light, control several agriculturally important weed species. Forty-eight analogues have been synthesized and their herbicidal activities determined in order to study structure-activity relationships. In general, these compounds demonstrated: (l) optimum herbicidal activity when the 4- substituent on the tetrazole ring was – CH2CH2CH2F, and the aryl group 2- fluoro-4-chloro-5-substituted phenyl; (2) optimum herbicidal activity over a broad spectrum of grass and broad leaf weeds, with marginal crop selectivity when the C5 substituent on the phenyl group was – OCH2CCH; and (3) a high degree of selectivity on several major crops and primarily broadleaf weed control when this substituent was – NHSO2CH2CH3.

Published
1990

13. Synthesis and Chemistry of Agrochemicals VI

Author

Don R. Baker, Joseph G. Fenyes, George P. Lahm, Thomas P. Selby, Thomas M. Stevenson, Karl J. Fisher, Ray A. Felix, Robert M. Oliver, Glynn Mitchell, Nigel J. Barnes, John M. Cox, Ian R. Matthews, David R. Parry, David P. J. Pearson, Stephen C. Smith, Gary M. Karp, A. Don Crews, Mark C. Manfredi, Axel Kleemann, Robert L. Arotin, Matthew L. Crawley, Brian Dahlke, Roger Baerg, Colin M. Tice, Adam C-T. Hsu, Lois M. Bryman, Renee C. Roemmele, Edward C. Taylor, Ping Zhou, Janusz Jurczak, Artur Jezewski, D. R. James, R. A. Felix, W. J. Michaely, C. J. Mathews, D. R. Baker, C. G. Knudsen, F. M. Pallos, J. M. Gerdes, S. Fitzjohn, T. H. Cromartie, S. W. Howard, D. P. Dagarin, M. Broadhurst, Joseph E. Drumm, Reed A. Coats, Frank T. Coppo, Stephen K. Gee, James V. Hay, Robert J. Pasteris, Gerard M. Koether, Xian J. Meng, M. P. Moon, Tho V. Thieu, Albert E. Casalnuovo, Rafael Shapiro, George Theodoridis, James T. Bahr, Scott Crawford, Benjamin Dugan, Frederick W. Hotzman, Lester L. Maravetz, Saroj Sehgel, Dominic P. Suarez, Charles R. Harrison, John P. Daub, Jef, Don R. Baker, Joseph G. Fenyes, George P. Lahm, Thomas P. Selby, Thomas M. Stevenson, Karl J. Fisher, Ray A. Felix, Robert M. Oliver, Glynn Mitchell, Nigel J. Barnes, John M. Cox, Ian R. Matthews, David R. Parry, David P. J. Pearson, Stephen C. Smith, Gary M. Karp, A. Don Crews, Mark C. Manfredi, Axel Kleemann, Robert L. Arotin, Matthew L. Crawley, Brian Dahlke, Roger Baerg, Colin M. Tice, Adam C-T. Hsu, Lois M. Bryman, Renee C. Roemmele, Edward C. Taylor, Ping Zhou, Janusz Jurczak, Artur Jezewski, D. R. James, R. A. Felix, W. J. Michaely, C. J. Mathews, D. R. Baker, C. G. Knudsen, F. M. Pallos, J. M. Gerdes, S. Fitzjohn, T. H. Cromartie, S. W. Howard, D. P. Dagarin, M. Broadhurst, Joseph E. Drumm, Reed A. Coats, Frank T. Coppo, Stephen K. Gee, James V. Hay, Robert J. Pasteris, Gerard M. Koether, Xian J. Meng, M. P. Moon, Tho V. Thieu, Albert E. Casalnuovo, Rafael Shapiro, George Theodoridis, James T. Bahr, Scott Crawford, Benjamin Dugan, Frederick W. Hotzman, Lester L. Maravetz, Saroj Sehgel, Dominic P. Suarez, Charles R. Harrison, John P. Daub, and Jef

Published
2001

14. Synthesis and Chemistry of Agrochemicals III

Author

DON R. BAKER, JOSEPH G. FENYES, JAMES J. STEFFENS, William A. Kleschick, Mark J. Costales, B. Clifford Gerwick, J. B. Holtwick, R. W. Meikle, W. T. Monte, N. R. Pearson, S. W. Snider, M. V. Subramanian, J. C. VanHeertum, A. P. Vinogradoff, C. M. Carson, J. J. Doney, J. C. Little, S. Yamamoto, T. Sato, K. Morimoto, T. Nawamaki, S. Murai, Y. Nakamura, T. Akagi, N. Sakashita, T. Haga, M. A. Guaciaro, M. Los, D. L. Little, P. A. Marc, L. Quakenbush, S. I. Alvarado, A. D. Crews, P. J. Wepplo, R. F. Doehner, T. E. Brady, D. M. Gange, Frank X. Woolard, Thomas P. Selby, Tariq A. Andrea, L. Radu Denes, Bruce L. Finkelstein, Thomas P. Fuesler, Ben K. Smith, Shinichi Kawamura, Tatsuhiro Hamada, Ryo Sato, Yuzuru Sanemitsu, Gerhard Sandmann, Peter Babczinski, R. E. Hackler, T. W. Waldrep, S. V. Kaster, George Theodoridis, Frederick W. Hotzman, Lynn W. Scherer, Bruce A. Smith, John M. Tymonko, Michael J. Wyle, Jonathan S. Baum, Mark C. Manfredi, Lester L. Maravetz, John W. Lyga, Kenneth R. Wilson, Kathleen M. Poss, Kurt Moedritzer, Sarah G. Allgood, Pana Charumilin, DON R. BAKER, JOSEPH G. FENYES, JAMES J. STEFFENS, William A. Kleschick, Mark J. Costales, B. Clifford Gerwick, J. B. Holtwick, R. W. Meikle, W. T. Monte, N. R. Pearson, S. W. Snider, M. V. Subramanian, J. C. VanHeertum, A. P. Vinogradoff, C. M. Carson, J. J. Doney, J. C. Little, S. Yamamoto, T. Sato, K. Morimoto, T. Nawamaki, S. Murai, Y. Nakamura, T. Akagi, N. Sakashita, T. Haga, M. A. Guaciaro, M. Los, D. L. Little, P. A. Marc, L. Quakenbush, S. I. Alvarado, A. D. Crews, P. J. Wepplo, R. F. Doehner, T. E. Brady, D. M. Gange, Frank X. Woolard, Thomas P. Selby, Tariq A. Andrea, L. Radu Denes, Bruce L. Finkelstein, Thomas P. Fuesler, Ben K. Smith, Shinichi Kawamura, Tatsuhiro Hamada, Ryo Sato, Yuzuru Sanemitsu, Gerhard Sandmann, Peter Babczinski, R. E. Hackler, T. W. Waldrep, S. V. Kaster, George Theodoridis, Frederick W. Hotzman, Lynn W. Scherer, Bruce A. Smith, John M. Tymonko, Michael J. Wyle, Jonathan S. Baum, Mark C. Manfredi, Lester L. Maravetz, John W. Lyga, Kenneth R. Wilson, Kathleen M. Poss, Kurt Moedritzer, Sarah G. Allgood, and Pana Charumilin

Published
1992

15. Synthesis and Chemistry of Agrochemicals V

Author

DON R. BAKER, JOSEPH G. FENYES, GREGORY S. BASARAB, DAVID A. HUNT, Marinus Los, Gerald Berkelhammer, Dale L. Shaner, Bijay K. Singh, Thomas M. Brady, Barrington Cross, Robert F. Doehner, John Finn, David L. Ladner, A. D. Crews, M. E. Condon, M. C. Manfredi, S. D. Gill, G. M. Karp, J. H. Birk, George Theodoridis, Jonathan S. Baum, Jun H. Chang, Scott D. Crawford, Frederick W. Hotzman, John W. Lyga, Lester L. Maravetz, Dominic P. Suarez, Harlene Hatterman-Valenti, Marvin J. Konz, Harvey R. Wendt, Thomas G. Cullen, Karen L. Tenhuisen, Olga M. Fryszman, M. E. Condo, T. E. Brady, D. Feist, P. M. Harrington, T. Malefyt, P. A. Marc, L. Quakenbush, D. Shaner, J. M. Lavanish, B. Tecle, Gary M. Karp, Mark C. Manfredi, Michael A. Guaciaro, Philip M. Harrington, Pierre Marc, Charles L. Ortlip, Laura S. Quakenbush, Iwona Birk, Michael S. South, Terri L. Jakuboski, Michael J. Miller, Mohammed Marzabadi, Susan Corey, Jack Molyneaux, Sarah Allgood South, Jane Curtis, Don Dukesherer, Steve Massey, Fenn-Ann Kunng, John Chupp, Robert Bryant, Kurt Moedritzer, Scott Woo, DON R. BAKER, JOSEPH G. FENYES, GREGORY S. BASARAB, DAVID A. HUNT, Marinus Los, Gerald Berkelhammer, Dale L. Shaner, Bijay K. Singh, Thomas M. Brady, Barrington Cross, Robert F. Doehner, John Finn, David L. Ladner, A. D. Crews, M. E. Condon, M. C. Manfredi, S. D. Gill, G. M. Karp, J. H. Birk, George Theodoridis, Jonathan S. Baum, Jun H. Chang, Scott D. Crawford, Frederick W. Hotzman, John W. Lyga, Lester L. Maravetz, Dominic P. Suarez, Harlene Hatterman-Valenti, Marvin J. Konz, Harvey R. Wendt, Thomas G. Cullen, Karen L. Tenhuisen, Olga M. Fryszman, M. E. Condo, T. E. Brady, D. Feist, P. M. Harrington, T. Malefyt, P. A. Marc, L. Quakenbush, D. Shaner, J. M. Lavanish, B. Tecle, Gary M. Karp, Mark C. Manfredi, Michael A. Guaciaro, Philip M. Harrington, Pierre Marc, Charles L. Ortlip, Laura S. Quakenbush, Iwona Birk, Michael S. South, Terri L. Jakuboski, Michael J. Miller, Mohammed Marzabadi, Susan Corey, Jack Molyneaux, Sarah Allgood South, Jane Curtis, Don Dukesherer, Steve Massey, Fenn-Ann Kunng, John Chupp, Robert Bryant, Kurt Moedritzer, and Scott Woo

Published
1998

16. Synthesis and Chemistry of Agrochemicals II

Author

DON R. BAKER, JOSEPH G. FENYES, WILLIAM K. MOBERG, G. Levitt, Hugh M. Brown, Philip C. Kearney, Steven P. Artz, Bruce L. Finkelstein, Mary Ann Hanagan, M. P. Moon, Robert J. Pasteris, Morris P. Rorer, John Cuomo, Stephen K. Gee, Stephen L. Hartzell, W. T. Zimmerman, C. L. Hillemann, T. P. Selby, R. Shapiro, C. P. Tseng, B. A. Wexler, Mark E. Thompson, Paul H. Liang, Shigeo Murai, Takahiro Haga, Kan-ichi Fujikawa, Nobuyuki Sakashita, Fumio Kimura, Yasuhiro Tsujii, Kouji Hayashi, Shin-Shyong Tseng, Ravindar N. Girotra, Cynthia M. Cribbs, Diana Lori P. Sonntag, Jerry L. Johnson, John Finn, Nina Quinn, Brad Buckman, Michael P. Lynch, James R. Beck, Eddie V. P. Tao, James Aikins, George E. Babbitt, John R. Rizzo, T. William Waldrep, R. S. Brinkmeyer, N. H. Terando, John W. Lyga, Blaik P. Halling, Debra A. Witkowski, Russell M. Patera, Judith A. Seeley, Marjorie J. Plummer, Frederick W. Hotzman, T. W. Balko, D. E. Dudley, R. K. Mann, Len F. Lee, Gina L. Stikes, Jean E. Normansell, John M. Molyneaux, Larry Y. L. Sing, John P. Chupp, Scott K. Parrish, John, DON R. BAKER, JOSEPH G. FENYES, WILLIAM K. MOBERG, G. Levitt, Hugh M. Brown, Philip C. Kearney, Steven P. Artz, Bruce L. Finkelstein, Mary Ann Hanagan, M. P. Moon, Robert J. Pasteris, Morris P. Rorer, John Cuomo, Stephen K. Gee, Stephen L. Hartzell, W. T. Zimmerman, C. L. Hillemann, T. P. Selby, R. Shapiro, C. P. Tseng, B. A. Wexler, Mark E. Thompson, Paul H. Liang, Shigeo Murai, Takahiro Haga, Kan-ichi Fujikawa, Nobuyuki Sakashita, Fumio Kimura, Yasuhiro Tsujii, Kouji Hayashi, Shin-Shyong Tseng, Ravindar N. Girotra, Cynthia M. Cribbs, Diana Lori P. Sonntag, Jerry L. Johnson, John Finn, Nina Quinn, Brad Buckman, Michael P. Lynch, James R. Beck, Eddie V. P. Tao, James Aikins, George E. Babbitt, John R. Rizzo, T. William Waldrep, R. S. Brinkmeyer, N. H. Terando, John W. Lyga, Blaik P. Halling, Debra A. Witkowski, Russell M. Patera, Judith A. Seeley, Marjorie J. Plummer, Frederick W. Hotzman, T. W. Balko, D. E. Dudley, R. K. Mann, Len F. Lee, Gina L. Stikes, Jean E. Normansell, John M. Molyneaux, Larry Y. L. Sing, John P. Chupp, Scott K. Parrish, and John

Published
1991

17. Synthesis and Chemistry of Agrochemicals IV

Author

DON R. BAKER, JOSEPH G. FENYES, GREGORY S. BASARAB, Tohru Koyanagi, Takahiro Haga, Kenzi Makino, Katsushi Morimoto, Shigeaki Akiyama, Hideaki Suzuki, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, I. S. Cloudsdale, R. J. Anderson, H. R. Chinn, G. W. Craig, P. N. Deng, L. Herberich-Patton, J. C. Pomes, John Finn, Dinah Bosley, Shirley Rodaway, Laura Quakenbush, Shridhar G. Hegde, Robert D. Bryant, Len F. Lee, Scott K. Parrish, William B. Parker, Martin D. Mahoney, Claude R. Jones, George Theodoridis, Kathleen M. Poss, Frederick W. Hotzman, James T. Bahr, Bruce L. Davidson, Stephen E. Hart, S. F. Tutt, Jun Satow, Kenzou Fukuda, Kaoru Itoh, Bruce C. Hamper, Kindrick L. Leschinsky, Steven M. Massey, Crystal L. Bell, Lawrence H. Brannigan, S. Douglas Prosch, Michael E. Condon, Sergio I. Alvarado, Frank J. Arthen, Jeffrey H. Birk, Thomas E. Brady, Alvin D. Crews, Pierre A. Marc, Gary M. Karp, Jerome M. Lavanish, Donald R. Nielsen, Thomas A. Lies, David A. Hunt, James A. Schwindeman, Peter Wepplo, Mark Manfredi, Glynn Mitchell, Thomas P. Selby, L. R, DON R. BAKER, JOSEPH G. FENYES, GREGORY S. BASARAB, Tohru Koyanagi, Takahiro Haga, Kenzi Makino, Katsushi Morimoto, Shigeaki Akiyama, Hideaki Suzuki, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, I. S. Cloudsdale, R. J. Anderson, H. R. Chinn, G. W. Craig, P. N. Deng, L. Herberich-Patton, J. C. Pomes, John Finn, Dinah Bosley, Shirley Rodaway, Laura Quakenbush, Shridhar G. Hegde, Robert D. Bryant, Len F. Lee, Scott K. Parrish, William B. Parker, Martin D. Mahoney, Claude R. Jones, George Theodoridis, Kathleen M. Poss, Frederick W. Hotzman, James T. Bahr, Bruce L. Davidson, Stephen E. Hart, S. F. Tutt, Jun Satow, Kenzou Fukuda, Kaoru Itoh, Bruce C. Hamper, Kindrick L. Leschinsky, Steven M. Massey, Crystal L. Bell, Lawrence H. Brannigan, S. Douglas Prosch, Michael E. Condon, Sergio I. Alvarado, Frank J. Arthen, Jeffrey H. Birk, Thomas E. Brady, Alvin D. Crews, Pierre A. Marc, Gary M. Karp, Jerome M. Lavanish, Donald R. Nielsen, Thomas A. Lies, David A. Hunt, James A. Schwindeman, Peter Wepplo, Mark Manfredi, Glynn Mitchell, Thomas P. Selby, and L. R

Published
1995

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