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.)
Sanofi Aventis France
Original Assignee
Roussel Uclaf SA
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 Roussel Uclaf SAfiledCriticalRoussel Uclaf SA
Priority to ES438557ApriorityCriticalpatent/ES438557A1/es
Publication of ES438557A1publicationCriticalpatent/ES438557A1/es
Un procedimiento para la preparacion de compuestos semisin-teticos intermedios en la produccion de cefalosporinas, pe- nicilinas y antibioticos relacionados de beta-lactama.