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.)
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F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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
Priority claimed from CH1342474Aexternal-prioritypatent/CH606112A5/en
Priority claimed from CH319575Aexternal-prioritypatent/CH617210A5/en
Application filed by F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Priority to ES451289ApriorityCriticalpatent/ES451289A1/en
Publication of ES451289A1publicationCriticalpatent/ES451289A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Process for the preparation of benzofuran derivatives, of the general formula ** (see formula) ** In which A represents a carbonyl group, And its acid addition salts, Characterized in that a compound of the general formula is oxidized with a chromic oxidizing agent ** (see formula) ** And because, if desired, a compound of formula i obtained is converted into an acid addition salt. (Machine-translation by Google Translate, not legally binding)
ES451289A1974-10-071976-09-07Procedure for the preparation of benzofuran derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES451289A1
(en)
Procedure for the preparation of N- (r-tetrahydrofurfuril) -noroximorphone and N- (s-tetrahydrofurfuril) -noroximorphone new. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new oxazolinic and tiazolinic derivatives with nematocide action (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of 7-chlorine-1,2-dihydro-5-phenyl - 1,4-benzodiazepin-2-onas. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of N- (heteroaril-methyl) - 6,14-endoetno-7 a-hydrovialcohyl-tetrahydro-nororipavines and thebines. (Machine-translation by Google Translate, not legally binding)