Bicyclic aldehyde perfuming and flavoring ingredients

Details Bicyclic aldehyde perfuming and flavoring ingredients Bicyclic aldehyde perfuming and flavoring ingredients

1978-09-08

1980-08-19

Niebling, John F.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

560118, 560120, 424 65, 424 70, 25217411, 426538, 131144, A61K 746, C11B 900, C07C 6900

Patent

active

042183472

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: 3852358 (1974-12-01), Hall et al.
patent: 4064184 (1977-12-01), Light et al.
Andreev, V. et al., Chem. Absts., vol. 66, 54755f (1967).

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