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 AT0098300Aexternal-prioritypatent/AT410796B/de
Application filed by Dsm Fine Chem Austria GmbhfiledCriticalDsm Fine Chem Austria Gmbh
Application grantedgrantedCritical
Publication of ATE272627T1publicationCriticalpatent/ATE272627T1/de
C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
C07D307/83—Oxygen atoms
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
AT01940421T2000-06-062001-05-09Verfahren zur herstellung von 2-coumaron und substituierten 2-coumaronen
ATE272627T1
(de)