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ChemicalBook CAS DataBase List trans-Anethole
4180-23-8

trans-Anethole synthesis

14synthesis methods
By esterification of p-cresol with methyl alcohol and with subsequent condensation with α-cetaldehyde (Perknis); the most common method of preparation is from pine oil. By fractional distillation of the essential oils of anise, star anise, and fennel; the anise essences contain an average of 85% anethole; fennel, from 60 to 70%.
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Yield:4180-23-8 99%

Reaction Conditions:

with Polystyrene-supported 4-tert-butyl-2-(diisopropylphosphino)-1H-imidazole and ruthenium complex in [(2)H6]acetone at 25; for 0.166667 h;Inert atmosphere;Glovebox;stereoselective reaction;Reagent/catalyst;

References:

Erdogan, Gulin;Grotjahn, Douglas B. [Organic Letters,2014,vol. 16,# 11,p. 2818 - 2821] Location in patent:supporting information

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