GB950254A - Process for the manufacture of n-phenyl-n-alkoxy-n-alkyl ureas and substitution products thereof - Google Patents

Process for the manufacture of n-phenyl-n-alkoxy-n-alkyl ureas and substitution products thereof

Info

Publication number
GB950254A
GB950254A GB749762A GB749762A GB950254A GB 950254 A GB950254 A GB 950254A GB 749762 A GB749762 A GB 749762A GB 749762 A GB749762 A GB 749762A GB 950254 A GB950254 A GB 950254A
Authority
GB
United Kingdom
Prior art keywords
methoxy
carbon atoms
alkoxy
phenyl
manufacture
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.)
Expired
Application number
GB749762A
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of GB950254A publication Critical patent/GB950254A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/1854—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas by reactions not involving the formation of the N-C(O)-N- moiety

Abstract

Urea derivatives of the formula: <FORM:0950254/C2/1> in which R1 is an alkyl radical of 1-4 carbon atoms, R2 is an alkyl radical of 1-4 carbon atoms which may be the same as or different from R1, m is 0 or 1 and n is 0-3, are prepared by treating urea derivatives of the formula: <FORM:0950254/C2/2> where m and n are as above, in the presence of an alkali, with two mols. of an alkylating agent or one mol. each of two alkylating agents, the or each alkylating agent containing 1-4 carbon atoms. Specified alkylating agents are dialkyl sulphates, alkyl halides or alkyltoluene sulphonates. The reaction may be effected at 10-90 DEG C. in aqueous alkaline suspension or in a mixture of an aqueous alkali and an organic solvent, a number of which are specified. Examples are given of the preparation of N -4- chlorophenyl -N1- methoxy -N1- methylurea, N-3, 4-dichlorophenyl -N1- methoxy -N1- methylurea and N-4-chlorophenyl -N1- methoxy -N1- n - butylurea. Specifications 852,422 and 892,150 are referred to.
GB749762A 1961-02-25 1962-02-26 Process for the manufacture of n-phenyl-n-alkoxy-n-alkyl ureas and substitution products thereof Expired GB950254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF33291A DE1140925B (en) 1961-02-25 1961-02-25 Process for the preparation of substituted N-phenyl-N'-alkoxy-N'-alkyl ureas

Publications (1)

Publication Number Publication Date
GB950254A true GB950254A (en) 1964-02-26

Family

ID=7095035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB749762A Expired GB950254A (en) 1961-02-25 1962-02-26 Process for the manufacture of n-phenyl-n-alkoxy-n-alkyl ureas and substitution products thereof

Country Status (2)

Country Link
DE (1) DE1140925B (en)
GB (1) GB950254A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263219A (en) * 1978-02-21 1981-04-21 Sumitomo Chemical Company, Limited Production of substituted phenylurea

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166587A (en) * 1963-07-29 1965-01-19 Olin Mathieson Alkanoyl, hydroxy-ureas
DE3148408A1 (en) * 1980-12-11 1982-06-16 Kubota Ltd., Osaka Gearbox for a tractor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263219A (en) * 1978-02-21 1981-04-21 Sumitomo Chemical Company, Limited Production of substituted phenylurea

Also Published As

Publication number Publication date
DE1140925B (en) 1962-12-13

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