| 摘要 |
The invention relates to new polyalkyl indan-1-ones, to processes for manufacturing them and to the use thereof in perfumes. The new products are polyalkyl substituted hydrindacen-1-ones and polyalkyl substituted hexahydro benz(f) inden(1H)-1-ones belonging to the family of substances defined by the following formula: <IMAGE> in which R1, R2, R3, R4 are H or an alkyl radical having one to three atoms of carbon and X is a -CHR5- group or a -CHR5-CHR6- group in which R5 and R6 are H or CH3 and at least three of the radicals R1, R2, R3, R4, R5 and R6 are alkyl radicals.
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