IMPROVED PROCESS FOR THE PREPARATION OF KETONE COMPOUNDS

IMPROVED PROCESS FOR THE PREPARATION OF KETONE COMPOUNDS

PCT No. PCT/HU90/00026 Sec. 371 Date Dec. 11, 1991 Sec. 102(e) Date Dec. 11, 1991 PCT Filed Apr. 18, 1990 PCT Pub. No. WO91/16293 PCT Pub. Date Oct. 31, 1991.The invention relates to an improved, large scale process for the preparation of compounds of formula (I) (I) wherein R is halogen atom or hyd...

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Hauptverfasser: ROBERT GEPESZ, LUSTIG VALERIA DENESNE, LAJOS IMREI, TAMAS KALLAY, LASZLO ARVAI, GYORGY LANYI, LASZLO LEDNICZKY, EVA SOMFAI, TIBOR MONTAY
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:PCT No. PCT/HU90/00026 Sec. 371 Date Dec. 11, 1991 Sec. 102(e) Date Dec. 11, 1991 PCT Filed Apr. 18, 1990 PCT Pub. No. WO91/16293 PCT Pub. Date Oct. 31, 1991.The invention relates to an improved, large scale process for the preparation of compounds of formula (I) (I) wherein R is halogen atom or hydroxyl, R2 is hydrogen atom or hydroxyl, R3 and R4 are hydrogen or alkoxy having 1-6 carbon atoms.