Cyclopentyl-cyanomethyl-cyclopentenes, process for their prepara

Details Cyclopentyl-cyanomethyl-cyclopentenes, process for their prepara Cyclopentyl-cyanomethyl-cyclopentenes, process for their prepara

1992-04-02

1993-05-18

Brust, Joseph Paul

Perfume compositions

Perfume compositions

Cyano containing active ingredient

558374, 558432, A61K 746, C07C25330, C07C25531

Patent

active

052121534

ABSTRACT:
New nitriles which are odoriferous substances having an extremely fresh note are accessible by Knoevenagel condensation of 2-cyclopentyl-cyclopentanone and cyanoacetic acid and decarboxylation of the reaction product.

REFERENCES:
patent: 4722808 (1988-02-01), Kaufhold et al.
patent: 4755615 (1988-07-01), Kaufhold et al.
patent: 4851552 (1989-07-01), Kaufhold
patent: 4912088 (1990-03-01), Brunke et al.
patent: 5008429 (1991-04-01), Kaufhold et al.

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