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.)
Gruppo Lepetit SpA
Original Assignee
Lepetit SpA
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
Application filed by Lepetit SpAfiledCriticalLepetit SpA
Priority to ES0280331ApriorityCriticalpatent/ES280331A3/es
Publication of ES280331A3publicationCriticalpatent/ES280331A3/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento para preparar una 2,4-acetidinediona-3,3-disustituida de la fórmula **fórmula** en que R y R'' son los mismos o diferentes radicales de alquilo, cicloalquilo o arilo y representan radicales lineales más bajos de 1 a 8 átomos de carbono inclusive o ramificados, caracterizado por comprender la operación de hacer reaccionar un ácido alfa, alfa, disustituido malománico de la fórmula **fórmula** en que R y R'' son como se define arriba, con exceso de cloruro de tionilo en un disolvente orgánico inerte anhidro, en presencia de una base terciaria de amina.
ES0280331A1962-08-271962-08-27Procedimiento para preparar una 2,4-acetidinediona 3,3-disustituida
ExpiredES280331A3
(es)