申请人:Givaudan S.A.
公开号:US07632790B2
公开(公告)日:2009-12-15
2,2-Disubstituted 5-methyl-2,5-dihydro- and 2,2-disubstituted 5-methyl-tetrahydrofurans of formula (I)
wherein R1 is methyl, ethyl, propyl or iso-propyl; and R2 is a branched C4-C7 alkyl, C5-C8 cycloalkyl, or mono- or disubstituted C5 or C6 cycloalkyl; and
the bond between C-3 and C-4 is a single bond, or the dotted line together with the bond between C-3 and C-4 represents a double bond are useful as odorants.
公式(I)中的2,2-二取代5-甲基-2,5-二氢呋喃和2,2-二取代5-甲基四氢呋喃如下:其中R1为甲基、乙基、丙基或异丙基;R2为支链C4-C7烷基、C5-C8环烷基或单取代或双取代的C5或C6环烷基;C-3和C-4之间的键为单键,或者虚线与C-3和C-4之间的键表示双键。这些化合物可用作气味剂。