Methyl pamplemousse

METHYL PAMPLEMOUSSE has a refreshing bitterness that pairs well with citrus aromas. It can also be used as a vetiver flavor enhancer and is a key ingredient in colognes. Methyl Pamplemousse has a grapefruit peel-like aroma with a vetiver acetate-like finish.

1,1-Dimethoxy-2,2,5-trimethyl-4-hexene is a colorless to pale yellow liquid with a fresh, fruity, citrus grapefruit-peel-like odor. It has not been found in nature. It is prepared by reaction of 2,2,5-trimethyl-4-hexenal (fromisobutyraldehyde and prenyl chloride) with methanol in the presence of calcium chloride.
Due to its alkali stability, it is used in citrus compositions for soaps and detergents.

ChEBI: 6,6-Dimethoxy-2,5,5-trimethyl-2-hexene is an acetal.

Not classified

Methyl Pamplemousse (Givaudan), Amarocit® (Symrise).

The starting material is 2,2,5-trimethyl-4-hexenal, and two molecules of methanol undergo a condensation reaction to obtain the final product, 1,1-dimethoxy-2,2,5-trimethyl-4-hexene (Pomelo Methyl, Methyl Pamplemousse, Chihuahua Deng; Amarocit, Dezhixin).
The above information was edited by Tong Tong of chemcialbook (2015-10-10).