GB1526829A - Process for the preparation of phenylureas - Google Patents

Process for the preparation of phenylureas

Info

Publication number
GB1526829A
GB1526829A GB5005275A GB5005275A GB1526829A GB 1526829 A GB1526829 A GB 1526829A GB 5005275 A GB5005275 A GB 5005275A GB 5005275 A GB5005275 A GB 5005275A GB 1526829 A GB1526829 A GB 1526829A
Authority
GB
United Kingdom
Prior art keywords
phenylureas
preparation
diluent
formula
organic solvent
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
GB5005275A
Other languages
English (en)
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB1526829A publication Critical patent/GB1526829A/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
    • C07C273/1809—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 with formation of the N-C(O)-N moiety
    • C07C273/1818—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 with formation of the N-C(O)-N moiety from -N=C=O and XNR'R"
    • C07C273/1827—X being H

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB5005275A 1974-12-06 1975-12-05 Process for the preparation of phenylureas Expired GB1526829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53024474A 1974-12-06 1974-12-06

Publications (1)

Publication Number Publication Date
GB1526829A true GB1526829A (en) 1978-10-04

Family

ID=24112960

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5005275A Expired GB1526829A (en) 1974-12-06 1975-12-05 Process for the preparation of phenylureas

Country Status (2)

Country Link
CH (1) CH605701A5 (enExample)
GB (1) GB1526829A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1195848B (it) * 1986-11-27 1988-10-27 I Pi Ci Spa Procedimento per la purificazione del linuron

Also Published As

Publication number Publication date
CH605701A5 (enExample) 1978-10-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee