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AMSA Anonima Materie Sintetiche and Affini SpA
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AMSA Anonima Materie Sintetiche and Affini SpA
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Application filed by AMSA Anonima Materie Sintetiche and Affini SpAfiledCriticalAMSA Anonima Materie Sintetiche and Affini SpA
Priority to ES473842ApriorityCriticalpatent/ES473842A1/es
Publication of ES473842A1publicationCriticalpatent/ES473842A1/es
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Abstract
Procedimiento para la preparación de carbometoxi-hidrazona de 1,4-dióxido-2-formilquinoxalina, caracterizado porque se hace reaccionar benzofurano-N-óxido con piruvaldehido bis-carbazato de metilo en relación molar comprendida entre 1:2 y 1:2,5, en solución en un disolvente orgánico y en presencia de una base orgánica como catalizador, a una temperatura comprendida entre 10º y 150ºC.
ES473842A1978-09-301978-09-30Procedimiento para la preparacion de carbometoxi-hidrazona de 1,4-dioxido-2-formil-quinoxalina.
ExpiredES473842A1
(es)