PRODUCTION OF SUBSTITUTED CHROMAN DERIVATIVE, SUBSTITUTED 3,4-DIHYDRO-2H-PYRAN AND ITS PRODUCTION, SUBSTITUTED 5-OXO-TETRAHYDROPYRAN AND ITS PRODUCTION, AND SUBSTITUTED CHROMEN-6-ONE DERIVATIVE AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain a substituted chroman derivative in a high yield by reaction of a substituted acrolein with acrylonitrile or the like to form the corresponding dihydropyran which is then reacted with an acid to form the corresponding oxotetrahydropyran which is reacted with a substit...

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Hauptverfasser:	BALDENIUS KAI-UWE DR, STUERMER RAINER DR
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHEMISTRY CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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