US4499271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-Phosphinyloxy-4-(substituted phenoxy)alkenoic acid esters
Assignee: Zoecon Corp
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Filing: 1982-08-20
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Granted: 1985-02-12
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Expires: 2002-08-20
Abstract
Abstract 3-Phosphinyloxy-4-substituted phenoxy alkenoic acid esters, derivatives thereof, and the use thereof for the control of weeds.
Inventors
- 👤 Gustave K. Kohn
- 👤 Joe T. Bamberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:02
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6527; C07F9/653; C07F9/65324; A; A01; A01N; A01N57/00; A01N57/02; A01N57/06; A01N57/08; C07F9/06; C07F9/08; C07F9/09; C07F9/113; C07F9/16; C07F9/165; C07F9/173; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4078; C07F9/553; C07F9/576; C07F9/58; C07F9/60; C07F9/645; C07F9/6509; C07F9/650952; C07F9/650994
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
151 words
A compound of the following formula (A): ##STR14## wherein, R 1 is hydrogen or lower alkyl; R 2 is lower alkyl, lower alkenyl or lower alkynyl; W is oxygen, sulfur or amino; W' is oxygen; R 3 is the group ##STR15## in which, each of Y and Z is independently hydrogen, lower alkyl, lower haloalkyl, bromo, chloro or fluoro; R 4 is --OR 6 , --SR 6 or --NHR 6 ; R 5 is lower alkyl; lower haloalkyl; lower cycloalkyl; phenyl; phenyl substituted with lower alkyl, lower haloalkyl or halogen; benzyl; benzyl substituted with lower alkyl, lower haloalkyl or halogen; --OR 7 ; --SR 7 ; or --NHR 7 ; R 6 is lower alkyl; lower haloalkyl; phenyl; phenyl substituted with lower alkyl, lower haloalkyl or halogen; benzyl; or benzyl substituted with lower alkyl, lower haloalkyl or halogen; and R 7 is independently selected from the values of R 6 .
Claim 2
Dependent Claim
151 words
A compound of the following formula (A): ##STR14## wherein, R 1 is hydrogen or lower alkyl; R 2 is lower alkyl, lower alkenyl or lower alkynyl; W is oxygen, sulfur or amino; W' is oxygen; R 3 is the group ##STR15## in which, each of Y and Z is independently hydrogen, lower alkyl, lower haloalkyl, bromo, chloro or fluoro; R 4 is --OR 6 , --SR 6 or --NHR 6 ; R 5 is lower alkyl; lower haloalkyl; lower cycloalkyl; phenyl; phenyl substituted with lower alkyl, lower haloalkyl or halogen; benzyl; benzyl substituted with lower alkyl, lower haloalkyl or halogen; --OR 7 ; --SR 7 ; or --NHR 7 ; R 6 is lower alkyl; lower haloalkyl; phenyl; phenyl substituted with lower alkyl, lower haloalkyl or halogen; benzyl; or benzyl substituted with lower alkyl, lower haloalkyl or halogen; and R 7 is independently selected from the values of R 6 .
Claim 3
Dependent Claim
12 words
A compound of the following formula (B), according to claim 1: ##STR16##
Claim 4
Dependent Claim
41 words
A compound according to claim 2 wherein each of W and W' is oxygen, R 1 is methyl, R 2 is methyl or ethyl and R 3 is ##STR17## where Y is hydrogen or chloro and Z is chloro or trifluoromethyl.
Claim 5
Dependent Claim
21 words
A compound according to claim 3 wherein R 6 is methyl or ethyl and R 7 is methyl, ethyl or phenyl.
Claim 6
Dependent Claim
27 words
A compound of the following formula (C), according to claim 1: ##STR18## wherein R 5 is other than --OR 7 , --SR 7 or --NHR 7 .
Claim 7
Dependent Claim
41 words
A compound according to claim 5 wherein each of W and W' is oxygen, R 1 is methyl, R 2 is methyl or ethyl and R 3 is ##STR19## where Y is hydrogen or chloro and Z is chloro or trifluoromethyl.
Claim 8
Dependent Claim
21 words
A compound according to claim 6 wherein R 5 is methyl, ethyl or phenyl and R 6 is methyl or ethyl.
References Cited (Backward Citations)
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