| Abstract |
: |
NEW MATERIAL:2,3-Butanediol ester of formula I [at least one of R<1>,<2> are COR<3> (R<3> is H, alkyl or alkenyl), and the other is H]. EXAMPLE:2,3-Butanediol monoacetate. USE:A lasting flavoring agent having flavor of strawberry, passion fruit, mango, kava or the like, a flavor imparting agent, and a flavor modifying agent. PROCESS:The compounds IV and/or V which correspond to formula I are prepared by reacting the compound II with a compound III (X is OH, halogen or oxygen; when X is oxygen, n=2, and when X is other than oxygen, n=1) or its functi |