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.)
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.)
Bayer CropScience Ltd Great Britain
Original Assignee
FBC Ltd
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Filing date
Publication date
Priority claimed from GB858509752Aexternal-prioritypatent/GB8509752D0/en
Application filed by FBC LtdfiledCriticalFBC Ltd
Publication of ES8800675A1publicationCriticalpatent/ES8800675A1/es
Publication of ES553978A0publicationCriticalpatent/ES553978A0/es
Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Plural Heterocyclic Compounds
(AREA)
Abstract
PROCEDIMIENTO PARA PREPARAR TIADIAZOLES. COMPRENDE: A) HACER REACCIONAR A UN HALURO DE TIADIAZOLILO DE FORMULA (II) CON UN COMPUESTO DE FORMULA (III), EN PRESENCIA DE HIDRURO SODICO Y EN DIMETILFORMAMIDA, PARA DAR A (IV); B) TRATAR A (IV) CON FOSGENO, EN TOLUENO Y ENTRE 30J Y 150J, PARA FORMAR A (V); C) HACER REACCIONAR A (V) CON UN ALCOHOL DE FORMULA ROH Y ENTRE 30J Y 150JC, PARA OBTENER A (I). SIENDO: (I), (IV), (V) COMPUESTOS DE FORMULA; R1 Y R2, H, ALQUILO DE C 1 A 10; R, GRUPO FORMADOR DE ESTER; R4, -NR2COCL; X, H, O CO2R; Y, O O S. SE UTILIZAN COMO ACARIDAS CONTRA LOS HUEVOS Y LARVAS DE ACARIDOS.
ES553978A1985-04-161986-04-15Un procedimiento para preparar tiadiazoles.
ExpiredES8800675A1
(es)
3,4-dihydro-2-alkyl-3-oxo-n-aryl-2h-(1)benzothieno (3,2-e)-1,2-thiazine-4-carboxamide-1,1-dioxides, pharmaceutical compositions containing the same and method of use thereof