Bicyclic aldehyde derivatives, their use as perfuming and flavor

Details Bicyclic aldehyde derivatives, their use as perfuming and flavor Bicyclic aldehyde derivatives, their use as perfuming and flavor

1979-11-19

1981-05-05

Niebling, John F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560118, C07C 6974

Patent

active

042660750

ABSTRACT:
Bicyclic aldehyde derivatives of formula ##STR1## containing a single or a double bond in the position indicated by the dotted lines and wherein symbol R.sup.1 represents a hydrogen atom or a methyl radical and R.sup.2 defines a linear or branched alkyl radical containing 1 to 6 carbon atoms.
Compounds (I) find specific utility as perfuming and flavoring agents.
Process for the preparation of said compounds (I) starting from cyclopentadiene or a methyl substituted cyclopentadiene and an alkyl 4-oxo-butenoate.

REFERENCES:
patent: 3053882 (1962-09-01), Miller
patent: 3673261 (1972-06-01), Kretschmar
Chem. Absts. vol. 66, No. 54755F (1967).

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