Smoking compositions containing a flavorant additive
In one of its embodiments this invention provides smoking compositions which contain a novel unsymmetrical 2,5-diacylpyrazine flavorant additive as illustrated by 1-[5-(1-propanoyl)-2-pyrazinyl]-2--methyl-1-propanone: Under normal cigarette smoking conditions, the 2,5-diacylpyrazine additive volatilizes and enhances the flavor and aroma of the mainstream and sidestream smoke.
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(2008/06/13)
Preparation of Monoacylpyrazines
Homolytic acylation of pyrazine and alkylpyrazines by aldehydes, as a source of an acyl radical, gives mainly monoacylation products.The reactions proceed in reasonable yields and provide a new route to pyrazine ketones.
Houminer, Y.,Southwick, E. W.,Williams, D. L.
p. 497 - 500
(2007/10/02)
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