BE779943A - Nouveaux 5-ureido et thioureido-1,3,4-thiadiazole-2-sulfamides phytotoxiques destines a l'agriculture et leur procede de preparation - Google Patents

Nouveaux 5-ureido et thioureido-1,3,4-thiadiazole-2-sulfamides phytotoxiques destines a l'agriculture et leur procede de preparation

Info

Publication number
BE779943A
BE779943A BE779943A BE779943A BE779943A BE 779943 A BE779943 A BE 779943A BE 779943 A BE779943 A BE 779943A BE 779943 A BE779943 A BE 779943A BE 779943 A BE779943 A BE 779943A
Authority
BE
Belgium
Prior art keywords
sulfamides
thioureido
ureido
thiadiazole
agriculture
Prior art date
Application number
BE779943A
Other languages
English (en)
Inventor
W C Doyle
L W Hedrich
Original Assignee
Gulf Research & Dev Cy
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
Priority claimed from US05/119,417 external-priority patent/US4021225A/en
Application filed by Gulf Research & Dev Cy filed Critical Gulf Research & Dev Cy
Publication of BE779943A publication Critical patent/BE779943A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C07D285/135—Nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
BE779943A 1971-02-26 1972-02-28 Nouveaux 5-ureido et thioureido-1,3,4-thiadiazole-2-sulfamides phytotoxiques destines a l'agriculture et leur procede de preparation BE779943A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/119,417 US4021225A (en) 1971-02-26 1971-02-26 Combating unwanted vegetation with 1,3,4-thiadiazole-2-sulfonamides
US00177178A US3824247A (en) 1971-02-26 1971-09-01 2-(1,3,3-trimethylureido)-1,3,4-thiadiazole-5-n,n-dimethylsulfonamide

Publications (1)

Publication Number Publication Date
BE779943A true BE779943A (fr) 1972-06-16

Family

ID=26817318

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779943A BE779943A (fr) 1971-02-26 1972-02-28 Nouveaux 5-ureido et thioureido-1,3,4-thiadiazole-2-sulfamides phytotoxiques destines a l'agriculture et leur procede de preparation

Country Status (7)

Country Link
US (1) US3824247A (fr)
BE (1) BE779943A (fr)
CA (1) CA1151179A (fr)
DE (1) DE2209010A1 (fr)
FR (2) FR2126419B1 (fr)
GB (1) GB1390272A (fr)
NL (1) NL7202523A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049670A (en) * 1968-12-23 1977-09-20 Bayer Aktiengesellschaft N-(2-Ethylsulfonyl-1,3,4-thiadiazol-5-yl)-N-methyl-N'-methylurea
US3932437A (en) * 1971-09-01 1976-01-13 Gulf Research & Development Company Multistep synthesis for certain 1,3,4-thiadiazoles and intermediate
US4028090A (en) * 1974-10-15 1977-06-07 Eli Lilly And Company Herbicidal use of 5-cyanoalkyl-1,3,4-thiadiazol-2-ylureas
US4165229A (en) * 1976-05-06 1979-08-21 Eli Lilly And Company Herbicidal method
US4097263A (en) * 1976-11-22 1978-06-27 Gulf Oil Corporation 5-Acylamino-1,3,4-thiadiazole-2-sulfonamides and use as herbicides
US4187098A (en) * 1978-11-24 1980-02-05 Gulf Oil Corporation Selectively herbicidal N-(5-substituted-2-thiadiazolyl)-thiocarboxamides
US4562260A (en) * 1984-07-03 1985-12-31 Union Carbide Corporation Preparation of 1,3,4-thiadiazole-5-sulfonamides

Also Published As

Publication number Publication date
FR2126419B1 (fr) 1973-08-10
GB1390272A (en) 1975-04-09
CA1151179A (fr) 1983-08-02
NL7202523A (fr) 1972-08-29
FR2170376A5 (fr) 1973-09-14
DE2209010A1 (de) 1972-08-31
FR2126419A1 (fr) 1972-10-06
US3824247A (en) 1974-07-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GULF RESEARCH & DEVELOPMENT CY

Effective date: 19850228