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Menadiona S A
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Menadiona S A
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Priority to ES482576ApriorityCriticalpatent/ES482576A3/es
Publication of ES482576A3publicationCriticalpatent/ES482576A3/es
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Procedimiento para la fabricación de 1,4-dióxido de 3-(2-quinoxalinilmetilen) carbazato de metilo caracterizado porque se hace reaccionar el benzofurazano-H-óxido con el 3-acetometilen- carapato de metilo, en éter etílico o solvente análogo, a la temperatura ambiente, en presencia de pirrolidina.
ES482576A1979-07-181979-07-18Procedimiento para la fabricacion de 1,4-dioxido de 3-(2- quinoxalinilmetilen) carbazato de metilo.
ExpiredES482576A3
(es)