CA2176567A1 - 1,3-oxazin-4-one derivatives, process and intermediates for their preparation and their use as herbicides - Google Patents

1,3-oxazin-4-one derivatives, process and intermediates for their preparation and their use as herbicides

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Publication number
CA2176567A1
CA2176567A1 CA002176567A CA2176567A CA2176567A1 CA 2176567 A1 CA2176567 A1 CA 2176567A1 CA 002176567 A CA002176567 A CA 002176567A CA 2176567 A CA2176567 A CA 2176567A CA 2176567 A1 CA2176567 A1 CA 2176567A1
Authority
CA
Canada
Prior art keywords
group
lower alkyl
alkyl group
hydrogen atom
oxazin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002176567A
Other languages
French (fr)
Other versions
CA2176567C (en
Inventor
Keiichi Hayashizaki
Yoshihiro Usui
Koichi Araki
Norishige Toshima
Tetsuya Murata
Takako Aoki
Atsushi Go
Hideshi Mukaida
Rika Higurashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Keiichi Hayashizaki
Yoshihiro Usui
Koichi Araki
Norishige Toshima
Tetsuya Murata
Takako Aoki
Atsushi Go
Hideshi Mukaida
Rika Higurashi
Mitsubishi Chemical Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Keiichi Hayashizaki, Yoshihiro Usui, Koichi Araki, Norishige Toshima, Tetsuya Murata, Takako Aoki, Atsushi Go, Hideshi Mukaida, Rika Higurashi, Mitsubishi Chemical Corporation filed Critical Keiichi Hayashizaki
Priority claimed from PCT/JP1994/002152 external-priority patent/WO1995018113A1/en
Publication of CA2176567A1 publication Critical patent/CA2176567A1/en
Application granted granted Critical
Publication of CA2176567C publication Critical patent/CA2176567C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

This invention provides 1,3-oxazin-4-one derivatives represented by general formula (I):

in which R1 represents a phenyl group which may be substituted; R2 represents a hydrogen atom or a lower alkyl group; R3 represents a hydrogen atom, a lower alkyl group, an aralkyl group or a phenyl group which may be substituted; R4 and R5 each independently represent a lower alkyl group; and W represents an oxygen atom or a group represented by the formula -N(R6)- in which R6 represents a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group. There are also provided herbicidal compositions containing the derivatives represented by general formula (II):
CA002176567A 1993-12-24 1994-12-20 1,3-oxazin-4-one derivatives, process and intermediates for their preparation and their use as herbicides Expired - Fee Related CA2176567C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5/326733 1993-12-24
JP32673393 1993-12-24
PCT/JP1994/002152 WO1995018113A1 (en) 1993-12-24 1994-12-20 1,3-oxazin-4-one derivatives, process and intermediates for their preparation and their use as herbicides

Publications (2)

Publication Number Publication Date
CA2176567A1 true CA2176567A1 (en) 1995-07-06
CA2176567C CA2176567C (en) 2006-03-14

Family

ID=36095684

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002176567A Expired - Fee Related CA2176567C (en) 1993-12-24 1994-12-20 1,3-oxazin-4-one derivatives, process and intermediates for their preparation and their use as herbicides

Country Status (1)

Country Link
CA (1) CA2176567C (en)

Also Published As

Publication number Publication date
CA2176567C (en) 2006-03-14

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Legal Events

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