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.)
BRITISH SCHERING RES LAB
Original Assignee
BRITISH SCHERING RES LAB
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 BRITISH SCHERING RES LABfiledCriticalBRITISH SCHERING RES LAB
Priority to ES0188155ApriorityCriticalpatent/ES188155A1/es
Publication of ES188155A1publicationCriticalpatent/ES188155A1/es
Procedimiento para la obtención de cronas substituídas caracterizado porque aplicado a la preparación de una cetona de la fórmula general (II) se acetila en la posición 5 un 6-hidroxicumarano de la fórmula general (1) por cualquier método conocido para introducir un grupo acetilo en la posición 5 de un núcleo bencénico tal como en la fórmula (I).
ES0188155A1949-05-101949-05-10PROCEDIMIENTO PARA LA OBTENCIoN DE CROMONAS SUSTITUiDAS
ExpiredES188155A1
(es)