Robert F Doehner

6559336, May 6, 2003

Oct 12, 2001

09/975809

Andreas Pfrengle - Bingen, DE
Robert J. H. Scheffer - Ingelheim, DE
Stefan Scheiblich - Penzberg, DE
Jan Hendrik Wevers - Mainz, DE
Uwe Josef Vogelbacher - Ludwigshafen, DE
Robert F. Doehner - East Windsor NJ

BASF Aktiengesellschaft - Ludwigshafen

C07C 6988

560 67, 568333

There is provided a single-step process for the preparation of a compound of formula I. Compounds of formula I are useful as starting materials in the synthesis of natural products and in the manufacture of benzophenone fungicidal agents.

53808762, Jan 10, 1995

Nov 22, 1993

8/156332

Robert F. Doehner - East Windsor NJ
Jerry M. Barton - East Windsor NJ
David G. Kuhn - Newtown PA

American Cyanamid Company - Wayne NJ

C07D20718
C07D20700
C07D20982

548565

There are provided important pyrroline and glycine intermediates, methods for the preparation of said intermediates and the use thereof in the manufacture of arylpyrrole insecticidal agents.

46562834, Apr 7, 1987

Feb 4, 1985

6/698192

Robert F. Doehner - East Windsor NJ

American Cyanamid Company - Stamford CT

C07D21548
C07D21559

546170

There are provided novel alkyl esters of substituted 2-methyl-3-quinolinecarboxylic acid and quinoline-2,3-dicarboxylic acid; novel dialkyl 3-(substituted)phenylaminobut-2-ene-dioates, useful as intermediates for the preparation of highly effective 2-(2-imidazolin-2-yl)quinoline herbicidal agents and methods for the preparation thereof.

53917570, Feb 21, 1995

May 9, 1994

8/243680

Sergio I. Alvarado - Princeton NJ
Alvin D. Crews - Plainsboro NJ
Peter J. Wepplo - Princeton NJ
Robert F. Doehner - East Windsor NJ
Thomas E. Brady - Whitehouse Station NJ
David M. Gange - Princeton NJ
Desiree L. Little - Burlington NJ

American Cyanamid Company - Wayne NJ

C07D23370
C07D23372
C07D26332

548228

There are provided novel benzenesulfonyl carboxamide compounds and novel intermediate benzenesulfonyl-2-imidazolin-5-one compounds, novel intermediates and methods for the preparation of said compounds, and a method for controlling a variety of annual and perennial plant species utilizing novel benzenesulfonyl carboxamide compounds and novel intermediate benzenesulfonyl 2-imidazolin-5-one compounds.

60084022, Dec 28, 1999

Oct 7, 1998

9/168124

Robert Francis Doehner - East Windsor NJ
Thomas Walter Drabb - Trenton NJ
Robert Paul Brigance - Levittown PA

American Cyanamid Company - NJ
Idemitsu Kosan Co., Ltd.

C07C32100
C07D33504

560 9

The present invention provides compounds of formula I and processes for the preparation and purification thereof. ##STR1## Compounds of formula I are useful as intermediates in the manufacture of 6-(arylcarbonyl)-4-oximino-dihydrobenzothiopyran herbicidal agents.

51440415, Sep 1, 1992

Mar 20, 1992

7/854165

Robert F. Doehner - East Windsor NJ

American Cyanamid Company - Stamford CT

C07D20730
C07D20734

548531

A method for the preparation of insecticidal arylpyrroles, and intermediates for the manufacture of insecticidal arylpyrroles, via a single step 1,3-dipolar cycloaddition process is provided.

52833356, Feb 1, 1994

Mar 10, 1992

7/849997

Robert F. Doehner - East Windsor NJ

American Cyanamid Company - Wayne NJ

C07D40104

546167

There are provided o-carboxy-(5-oxo-2-imidazolin-2-yl)benzo-(6-membered)-heterocyclic compounds which contain one, two or three heteroatoms and derivatives thereof and a method for the use therewith to control monocotyledenous and dicotyledenous plant species.

44594089, Jul 10, 1984

May 25, 1982

6/381813

Donald R. Maulding - Somerville NJ
Robert F. Doehner - East Windsor NJ

American Cyanamid Company - Stamford CT

C07D40102
C07D21554

546167

The invention is related to a novel process for the prepartion of 2-(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)-3-quinolinecarboxylic acid, a useful and valuable herbicide.