苯乙基三苯基鏻溴化物 、 正丁基锂 、 alpha-isomethylionone 以0.36 g (20%) of the title compound as a colorless oil was obtained的产率得到((4E)-3,4-dimethyl-5-(2,6,6-trimethylcyclohex-2-enyl)penta-2,4-dienyl)benzene
Provided is class of compounds of formula (I)
wherein X, R
1
, R
2
and R
3
have the same meaning as given in the specification capable of releasing fragrant compounds in a controlled manner into the surroundings.