Kromonderivater for anvendelse som utgangsmaterialer ved fremstilling av terapeutisk virksomme tetrazolsubstituerte kromonderivater

• Main Authors: UMETANI, TOMONOBU, Nohara, Akira, SANNO, YASUSHI
• Format: Patent
• Language: Norwegian
• Published: 15.10.1973
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

1417462 Chromone derivatives TAKEDA YAHUHIN KOGYO KK 12 April 1973 [12 April 1972] 14972/75 Divided out of 1417461 Heading C2C The invention comprises compounds having the general formula wherein n is 0 or 1; m is 0, 1 or 2, when each of the R radicals is halogen, nitro, straight or branched C 1 to...