[EN] 7 - (ALK- 1 ' -ENYL) - 2H-BENZO [B] [1, 4] DIOXEPIN- 3 (4H) - ONES AND THEIR USE IN FRAGRANCE APPLICATIONS [FR] 7-(ALK-1'-ÉNYLE)-2H-BENZO[B][1,4]DIOXÉPIN-3(4H)-ONES ET LEUR UTILISATION DANS DES APPLICATIONS DE PARFUMS
7-(ALK-1'-ENYL)-2H-BENZO[B][1,4]DIOXEPIN-3(4H)-ONES AND THEIR USE IN FRAGRANCE APPLICATIONS
申请人:Kraft Philip
公开号:US20120309670A1
公开(公告)日:2012-12-06
A compound of the formula I
n which R
1
is H or methyl, R
2
is H, methyl or ethyl, R
3
and R
4
are independently hydrogen, methyl, ethyl, n-propyl or iso-propyl, and the dashed lines representing the alternative possibilities of there being present either an additional double bond or an additional group R
5
, which is H or methyl.
The compounds possess a marine odour with sweet character, and are useful in fine and functional fragrances.