SMOKING COMPOSITIONS CONTAINING ACYLPYRAZINE ETHER FLAVORANTS

摘要

The present invention provides a smoking composition which contains a novel type of acylpyrazine ether flavorant additive as exemplified by 1-(3-furfurylthio-2-pyrazinyl)-2-methyl-1-propanone: …… …Further aspects of the invention provide: a process for the preparation of acylpyrazine ethers; novel haloacylpyrazine intermediates in the process; and a process for the preparation of haloacrylpyrazine intermediates.