Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1977-08-24
1978-10-24
Helfin, Bernard
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
426534, 424 69, C07C 4738
Patent
active
041221222
ABSTRACT:
Described are the compounds 1-(2-propenyl-3-(4-methyl-3-pentenyl)-.DELTA..sup.3 -cyclohexene-1-carboxaldehyde and 1-(2-propenyl)-4-(4-methyl-3-pentenyl)-.DELTA..sup.3 -cyclohexene-1-carboxaldehyde; and a process for preparing same by means of reacting an allylic halide with a mixture of 3 and 4-(4-methyl-3-pentenyl)-.DELTA..sup.3 -cyclohexene-1-carboxaldehyde using a phase transfer agent in a two phase system according to the reaction: ##STR1## wherein the carboxaldehyde moiety is bonded to the alpha-carbon atom or the beta-carbon atom, X is chloro or bromo and M is alkali metal, processes for adding such 1-(2-propenyl)-(4-methyl-3-pentenyl)-.DELTA..sup.3 -cyclohexene-1-carboxaldehydes to consumable materials whereby:
REFERENCES:
patent: 2933506 (1960-04-01), Ohloff
patent: 3929895 (1975-12-01), Hall
patent: 4081483 (1978-03-01), Hall et al.
Hall John B.
Novak Robert M.
Shuster Edward J.
Sprecker Mark A.
Vinals Joaquin
Haidt Harold
Helfin Bernard
International Flavors & Fragrances Inc.
Liberman Arthur L.
Wolffe Franklin D.
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