VERFAHREN ZUR HERSTELLUNG SUBSTITUIERTER INDANONE
A process for the production of substituted indanones of formula (Ia) and (Ib) comprises reacting compounds of formula (IIa) or (IIb) respectively in one step with a compound of formula (III) in the presence of a Friedel-Crafts catalyst. H2C=C(C(O)X)-R5 (III) R1-R4 = hydrogen, 1-4C alkyl, 1 - 4 C fl...
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| creator | SPAHL, ROLAND MUELLER, HANS-JOACHIM WAGNER, JUERGEN MATTHAEUS HORN, HANS CHRISTOPH TRUEBENBACH, PETER RIEGER, BERNHARD, DR DIETRICH, ULF |
| description | A process for the production of substituted indanones of formula (Ia) and (Ib) comprises reacting compounds of formula (IIa) or (IIb) respectively in one step with a compound of formula (III) in the presence of a Friedel-Crafts catalyst. H2C=C(C(O)X)-R5 (III) R1-R4 = hydrogen, 1-4C alkyl, 1 - 4 C fluoroalkyl or 1 - 4 C alkylsilyl, or silyl, phenyl or benzyl; or R2 and R3 plus attached carbon atoms may form a benzene ring; R5 = 1-10C alkyl, phenyl or (1-4C alkyl)-phenyl; and X = chlorine, bromine or iodine. |
| format | Patent |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | VERFAHREN ZUR HERSTELLUNG SUBSTITUIERTER INDANONE |
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