C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 49/587 (2006.01) C07C 45/46 (2006.01) C07C 45/68 (2006.01) C07C 49/67 (2006.01) C07C 49/675 (2006.01) C07C 49/683 (2006.01) C07C 49/697 (2006.01) C07D 213/50 (2006.01) C07D 307/46 (2006.01) C07D 333/22 (2006.01) C07F 7/08 (2006.01)
Patent
CA 2105915
- 1 - Abstract of the Disclosure Process for the preparation of substituted indanones 1-Indanones of the formula IV or IVa Image Image (IV) (IVo) in which R1 to R7 are preferably hydrogen or alkyl, or adjacent radicals R1 to R4 form a ring, are obtained in a one-step reaction by reacting a compound I Image ( I ) with a compound of the formula II Image ( II ) or with a compound of the formula (III) - 2 - Image ( I I I ) in anhydrous hydrogen fluoride and with boron trifluoride.
Strutz Heinz
Weisse Laurent
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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