Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1978-10-17
1979-12-11
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C07C 6976
Patent
active
041784588
ABSTRACT:
A smoking composition is provided which comprises a smoking material and, as a source of flavor or aroma for the smoke thereof, certain aromatic beta-hydroxy compounds. Compounds which may be employed as a source of flavor or aroma include beta-hydroxy esters formed by condensing, using a Reformatsky-type reaction, an alkyl alpha-bromoisobutyrate or homolog thereof with an aromatic aldehyde such as benzaldehyde, anisaldehyde or piperonal. Other compounds which may be employed are the acids and/or metal salts which are formed by hydrolysis of such beta-hydroxy esters. Novel compositions of matter provided by the present invention include: the compound ethyl 2,2-dimethyl-3-hydroxy-3-(3',4'-methylenedioxyphenyl)-propionate, the compound n-amyl 2,2-dimethyl-3-hydroxy-3-phenylpropionate, the compound methyl 2,2-dimethyl-3-hydroxy-3-phenylpropionate, the compound 2,2-dimethyl-3-hydroxy-3-(3',4'-methylenedioxyphenyl) propionic acid, the compound ethyl 2,2-dimethyl-3-hydroxy-3-(p-methylphenyl)propionate, and the compound ethyl 2,2-dimethyl-3-hydroxy-5-phenyl-trans-4-pentenoate. The invention enables the incorporation in smoking materials, and particularly in tobacco, of compounds which will release flavors or aromas which compounds can be maintained and preserved during subsequent processing and storage of the tobacco.
REFERENCES:
patent: 3344168 (1967-09-01), Galimberti et al.
Killos Paul J.
Philip Morris Inc.
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