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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of ES480110A1publicationCriticalpatent/ES480110A1/es
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Abstract
Derivados de tiacina y más particularmente a derivados de tieno-tiacina de la fórmula general **(Fórmula)** R1 denota alquilo inferior, R2 denota el radical de un heterociclo aromático con 1 a 4 heteroátomos opcionalmente substituido por uno o dos grupos de alquilo inferior, o un radical de fenilo opcionalmente substituido por halógeno, hidroxilo, alquilo inferior, trifluorometilo o alcoxilo inferior, R3 denota halógeno y R3'' denota hidrógeno o halógeno, y sus sales.
ES480110A1978-07-211979-04-30Un procedimiento para la preparacion de derivados de tieno- tiacina.
ExpiredES480110A1
(es)
Middel og fremgangsmaade til oxidativ farvning af haar med 3-(2',2',2'-trifluorethyl) amino-phenolderivater, samt 3-(2',2',2'-trifluorethyl) amino-phenolderivater