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Dive into the research topics where Keith Douglas Barnes is active.

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Featured researches published by Keith Douglas Barnes.


Synthetic Communications | 1994

Electrophilic Fluorination of a Highly Functionalized Pyrrole

Keith Douglas Barnes; Yulin Hu; David Allen Hunt

Abstract Bromine-lithium exchange of 3-bromo-1 -(trilsopropylsilyl) pyrrole 6 followed by treatment with N-fluorobenzenesulfonimide gave the fluoropyrrole 8. Application of this methodology to the highly functionalized pyrrole 1 afforded the fluoropyrrole 4, which was found to be inaccessible by other approaches.


Archive | 1998

3-(1,2-benzisothiazol- and isoxazol-5-yl)-2,4(1h,3h)-pyrimidinedione or thione and 3-(1,2-benzisothiazol- and isoxazol-5-yl)-4(3h)-pyrimidinone or thione herbicidal agents

Peter John Wepplo; Mark C. Manfredi; Richard Anthony Rampulla; Michael Vernie Cossette; Michael Anthony Guaciaro; Gregory Jay Haley; Billy Gene Bullock; Sergio Ivan Alvarado; Keith Douglas Barnes; Gary Allen Meier; David Allen Hunt; Marianne Carlsen; Gavin David Heffernan


Archive | 2002

Use of substituted dibenzothiepine derivatives as insecticidal, acaricidal and nematicidal agents

John F. Chiarello; Wakefield William Wood; Deborah Cultbertson; Daniel W. Smith; Robin C. Sperry; Thomas Schmidt; Gerd Steiner; Markus Kordes; Deyn Wolfgang Von; Norbert Götz; Michael Hofmann; Keith Douglas Barnes; James Takasugi; Michael F. Treacy; Hassan Oloumi-Sadeghi; Robert Eugene Diehl


Archive | 1999

Substituted anilide insecticidal agents

Robert Eugene Diehl; Tatao Luo; Michael F. Treacy; Keith Douglas Barnes; Venkataraman Kameswaran


Journal of Heterocyclic Chemistry | 1995

Synthesis of 2‐aryl‐3‐trifluoromethylsulfonylpyrroles

Keith Douglas Barnes; Randall Ward


Archive | 1992

Haloalkylthio, -sulfinyl and -sulfonyl arylpyrrole insecticidal, acaricidal and fungicidal agents

Keith Douglas Barnes; Victor Marc Kamhi; Robert Eugene Diehl


Archive | 1991

Haloalkylthio, -sulfinyl and -sulfonyl arylpyrrole fungicidal agents

Keith Douglas Barnes; Victor Marc Kamhi; Robert Eugene Diehl


Archive | 1998

Substituted 3(-1,2-benzisothiazol or isoxazol-5 yl)-substituted pyrimidine as herbicides

Peter John Wepplo; Mark C. Manfredi; Richard Anthony Rampulla; Michael Vernie Cossette; Michael Anthony Guaciaro; Gregory Jay Haley; Billy Gene Bullock; Sergio Ivan Alvarado; Keith Douglas Barnes; Gary Allen Meier; David Allen Hunt; Marianne Carlsen; Gavin David Heffernan


Archive | 1998

Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds

Keith Douglas Barnes; Yulin Hu; David Allen Hunt


Archive | 1998

Process and intermediate compounds for the preparation of difluorovinylsilane insecticidal and acaricidal agents

Keith Douglas Barnes; Yulin Hu

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