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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries Ltd
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 GR61757Aexternal-prioritypatent/GR66729B/el
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Priority to US06/257,317priorityCriticalpatent/US4330554A/en
Publication of JPS56154477ApublicationCriticalpatent/JPS56154477A/ja
Publication of JPS6411022B2publicationCriticalpatent/JPS6411022B2/ja
Process for preparing (rs)-2-(2,3-dihydro-5-hydroxy-4,6, 7-trimethylbenzofuranyl) acetic acids and 2-(2,3-dihydro-5-acyloxy-4,6,7-trimethylbenzofuranyl) acetic acids and esters thereof, useful as mucoregulator and antihyschaemic drugs
Derives de type 6h-dibenzo(b,d) pyranne 6-substitues utiles notamment comme medicaments antiulcereux, immunomodulateurs et antiviraux et procedes de leur preparation