Francis P Walker

US Patent:

52505014, Oct 5, 1993

Filed:

Jan 10, 1992

Appl. No.:

7/819080

Inventors:

John E. D. Barton - Reading, GB
David Cartwright - Reading, GB
John M. Cox - Wokingham, GB
Glynn Mitchell - Iver, GB
Charles G. Carter - Silver Spring MD
David L. Lee - Martinez CA
Francis H. Walker - Mill Valley CA
Frank X. Woolard - Pt. Richmond CA

Assignee:

Imperial Chemical Industries PLC - London
ICI Americas, Inc. - Wilmington DE

International Classification:

A01N 4376
C07D27502

US Classification:

504266

Abstract:

A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X. sup. 1 and X. sup. 2 are independently oxygen or sulphur, R. sup. 1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C. sub. 2 -C. sub. 4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R. sup. b is alkyl or alkoxy; provided that when X, X. sup. 1 and X. sup. 2 are oxygen R. sup. 1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.

US Patent:

50984640, Mar 24, 1992

Filed:

Oct 9, 1990

Appl. No.:

7/595710

Inventors:

John E. D. Barton - Reading, GB
David Cartwright - Reading, GB
John M. Cox - Wokingham, GB
Glynn Mitchell - Inver, GB
Charles G. Carter - Silver Spring MD
Davie L. Lee - Martinez CA
Francis H. Walker - Mill Valley CA
Frank X. Woolard - Pt. Richmond CA

Assignee:

Imperial Chemical Industries PLC - London
ICI Americas, Inc. - Wilmington DE

International Classification:

C07D23112
C07D40502
A01N 4308
A01N 4318

US Classification:

71 92

Abstract:

A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X. sup. 1 and X. sup. 2 are independently oxygen or sulphur, R. sup. 1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C. sub. 2 -C. sub. 4 alkylene group which is optionally interposed by an oxygen atom, a group >S(O). sub. p a group ##STR2## or an optionally mono-substituted nitrogen atom, wherein p is O, 1 or 2, s is 0. sub. 1 or 1 and R. sup. b is alkyl or alkoxy; provided that when X, X. sup. 1 and X. sup. 2 are oxygen, R. sup. 1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.

US Patent:

55631150, Oct 8, 1996

Filed:

May 30, 1995

Appl. No.:

8/453916

Inventors:

John E. D. Barton - Reading, GB2
David Cartwright - Reading, GB2
John M. Cox - Wokingham, GB2
Glynn Mitchell - Iver, GB2
Charles G. Carter - Silver Spring MD
David L. Lee - Martinez CA
Francis H. Walker - Mill Valley CA
Frank X. Woolard - Pt. Richmond CA

Assignee:

Zeneca Limited - London

International Classification:

C07D40104
C07D40914
C07D40504
A01N 4372
A01N 4392

US Classification:

504288

Abstract:

A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X. sup. 1 and X. sup. 2 are independently oxygen or sulphur, R. sup. 1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C. sub. 2 -C. sub. 4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## a group ##STR3## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R. sup. b is alkyl or alkoxy; provided that when X, X. sup. 1 and X. sup. 2 are oxygen, R. sup. 1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.

US Patent:

62914006, Sep 18, 2001

Filed:

May 27, 1999

Appl. No.:

9/320582

Inventors:

John E D Barton - Reading, GB
David Cartwright - Reading, GB
John M Cox - Wokingham, GB
Glynn Mitchell - Iver, GB
Charles G Carter - Silver Spring MD
David L Lee - Martinez CA
Francis H Walker - Mill Valley CA
Frank X Woolard - Pt. Richmond CA

Assignee:

Zeneca Limited - London

International Classification:

C07C 49417
A01N 3506

US Classification:

504348

Abstract:

A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X. sup. 1 and X. sup. 2 are independently oxygen or sulphur, R. sup. 1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C. sub. 2 -C. sub. 4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## a group ##STR3## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R. sup. b is alkyl or alkoxy; provided that when X, X. sup. 1 and X. sup. 2 are oxygen, R. sup. 1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.

US Patent:

54260914, Jun 20, 1995

Filed:

Aug 4, 1993

Appl. No.:

8/102004

Inventors:

John E. D. Barton - Reading, GB
David Cartwright - Reading, GB
John M. Cox - Wokingham, GB
Glynn Mitchell - Iver, GB
Charles G. Carter - Silver Spring MD
David L. Lee - Martinez CA
Francis H. Walker - Mill Valley CA
Frank X. Woolard - Pt. Richmond CA

Assignee:

Zeneca Limited - London

International Classification:

C07D40306
C07D22306
A01N 4350
A01N 4336

US Classification:

504279

Abstract:

A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X. sup. 1 and X. sup. 2 are independently oxygen or sulphur, R. sup. 1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C. sub. 2 -C. sub. 4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R. sup. b is alkyl or alkoxy; provided that when X, X. sup. 1 and X. sup. 2 are oxygen, R. sup. 1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.

US Patent:

57446105, Apr 28, 1998

Filed:

Jul 18, 1996

Appl. No.:

8/683727

Inventors:

John E. D. Barton - Reading, GB
David Cartwright - Reading, GB
John M. Cox - Wokingham, GB
Glynn Mitchell - Iver, GB
Charles G. Carter - Silver Spring MD
David L. Lee - Martinez CA
Francis H. Walker - Mill Valley CA
Frank X. Woolard - Pt. Richmond CA

Assignee:

Zeneca Limited - London

International Classification:

C07D26354

US Classification:

548217

Abstract:

A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X. sup. 1 and X. sup. 2 are independently oxygen or sulphur, R. sup. 1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C. sub. 2 -C. sub. 4 alkylene group which is optionally interposed, by an oxygen atom, a group ##STR2## a group ##STR3## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R. sup. b is alkyl or alkoxy; provided that when X, X. sup. 1 and X. sup. 2 are oxygen, R. sup. 1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.