The compound 7,9,9-trimethyl-1,4-dioxoaspiro [4,5] dec-7-en-8-methanol an intermediate in the preparation of Zeaxanthin and Xanthophyll, known coloring agents for foodstuffs.
PENTA/HEXAMETHYL-3,4,5,8-TETRAHYDRO-1(2H)-NAPHTHALENONE DERIVATIVES WITH AROMATIC NOTES
申请人:Fehr Charles
公开号:US20140148376A1
公开(公告)日:2014-05-29
The present invention relates to compounds of Formula (I), wherein the dotted line represents a carbon-carbon single or double bond and R represents a hydrogen atom or a methyl group; which are useful perfuming ingredients to impart odor notes of the musky-earthy and woody, aromatic-fresh type.