IL28212A - Carbamoyloxyphenyl carbamates and their use as herbicides - Google Patents

Carbamoyloxyphenyl carbamates and their use as herbicides

Info

Publication number
IL28212A
IL28212A IL2821267A IL2821267A IL28212A IL 28212 A IL28212 A IL 28212A IL 2821267 A IL2821267 A IL 2821267A IL 2821267 A IL2821267 A IL 2821267A IL 28212 A IL28212 A IL 28212A
Authority
IL
Israel
Prior art keywords
herbicides
parts
carbamoyloxyphenyl
carbamates
reaction
Prior art date
Application number
IL2821267A
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of IL28212A publication Critical patent/IL28212A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids
    • C07C271/40—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings
    • C07C271/58—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids
    • C07C271/40—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings
    • C07C271/42—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C271/44—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids
    • C07C271/40—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings
    • C07C271/42—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C271/46—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by halogen atoms or by nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids
    • C07C271/40—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings
    • C07C271/56—Esters of carbamic acids having oxygen atoms of carbamate groups bound to carbon atoms of six-membered aromatic rings with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a ring other than a six-membered aromatic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

28212 2 la known that isocyanates or carbamic halides may be reacted with alcohols to form Hydroxy groups having an acid character such as those of phenols only react with isocyanates at elevated in the reaction of with methyl carbamoyloxyphenyl carbamates We have found that valuable having the ormula which is a lower alkyl or lower alkynyl R is a chloro substituted lower a lower alk a bicycloalkyl or tricycloalkyl a benzyl radical or the radical in which is lower carbalkoxy or and and are each independently lower alkyl or lower are obtained when a hydroxyphenyl carbamate having the in which has same meaning as is reacted in ventional manner with an isocyanate carbamic halide having the ormula 3 and The amic acid halides corresponding to the isocyanates may also be The reaction according to the invention the two starting materials is carried out in indifferent such as carbons and chlorobenzene being The reaction is carried at temperature between and preferably between and Approximately equivalent amounts of the two starting materials are The reaction with the carbamic cid halide takes places in the presence of an acid binding a tertiary alkali metal alkali metal carbonate or alkali metal The reactions according to the inventidn are illustrated the following in which parts are parts by unless otherwise EXAMPLE 1 parts isocyanate is dripped while stirring at to into parts of methyl phenyl carbamate dissolved 50 parts by volume of furan and a trace of After some of the solvent has removed in petroleum ether is added and i methyl carbamate is obtained in crystalline form in a yield of 30 parts with a melting point of to 7 R mp 110 to pen 158 to 3 oil 164 to or iso I II Wheat 0 Barley 0 0 Undesirable Plants Wild mustard 90 95 Chick eed 95 90 Annual meadow grass 95 65 0 s no damage kill insufficientOCRQuality

Claims (1)

1. insufficientOCRQuality
IL2821267A 1966-07-06 1967-06-27 Carbamoyloxyphenyl carbamates and their use as herbicides IL28212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1966B0087883 DE1568138B2 (en) 1966-07-06 1966-07-06 DIURETHANES AND HERBICIDALS CONTAINING THEM

Publications (1)

Publication Number Publication Date
IL28212A true IL28212A (en) 1971-10-20

Family

ID=6984001

Family Applications (1)

Application Number Title Priority Date Filing Date
IL2821267A IL28212A (en) 1966-07-06 1967-06-27 Carbamoyloxyphenyl carbamates and their use as herbicides

Country Status (9)

Country Link
AT (1) AT277654B (en)
BE (1) BE700942A (en)
BR (1) BR6791088D0 (en)
DE (1) DE1568138B2 (en)
ES (1) ES342712A1 (en)
GB (1) GB1197788A (en)
IL (1) IL28212A (en)
NL (1) NL139521B (en)
SE (1) SE318557B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1567164C2 (en) * 1966-09-10 1985-03-07 Schering AG, 1000 Berlin und 4709 Bergkamen Herbicidal agents based on N-carbamoyloxyphenyl carbamates
DE2413933A1 (en) * 1974-03-20 1975-09-25 Schering Ag DIURETHANE WITH SELECTIVE HERBICIDAL EFFECT
YU45662B (en) * 1983-09-20 1992-07-20 Berol Nobel (Suisse) S.A. PROCEDURE FOR OBTAINING FENMEDIFAM OR DESMEDIFAM

Also Published As

Publication number Publication date
DE1568138A1 (en) 1970-01-08
SE318557B (en) 1969-12-15
GB1197788A (en) 1970-07-08
AT277654B (en) 1970-01-12
DE1568138B2 (en) 1976-07-01
BR6791088D0 (en) 1973-12-26
NL139521B (en) 1973-08-15
ES342712A1 (en) 1969-01-01
NL6709361A (en) 1968-01-08
BE700942A (en) 1968-01-05

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