C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 43/315 (2006.01) C07C 43/313 (2006.01) C07D 313/08 (2006.01) C07D 317/22 (2006.01)
Patent
CA 2564733
The present invention relates to the compounds of general formula (I): wherein R, R1, R2 are as defined in claim 1. Compounds of formula (I) are particularly useful for preparing 3,3-dimethyl-5-formyl-2,3-dihydrobenzoxepines derivatives.
L'invention concerne des composés de formule (I), dans laquelle R, R¿1 ?et R¿2? sont définis à la revendication 1. Les composés de formule (I) s'avèrent particulièrement utiles dans la préparation de dérivés de 3,3-diméthyle-5-formyle-2,3-dihydrobenzoxépines.
Boudet Bernard
Saleh Twana
Fetherstonhaugh & Co.
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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