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ChemicalBook CAS DataBase List (E)-Caffeic Acid Diacetate

(E)-Caffeic Acid Diacetate synthesis

8synthesis methods
-

Yield:88623-81-8 100%

Reaction Conditions:

with pyridine at 20;

Steps:

2.5 Syntheses of coumarate and caffeate derivatives

A solution of caffeic acid (180 mg, 1.0 mmol) in dry pyridine (0.3 mL) was added of acetic anhydride (0.47 mL, 5 mmol) and then stirred at r.t. over night.
The reaction mixture was gently heated under vacuum to evaporate excess acetic anhydride and pyridine thus obtaining quantitatively (2E)-3-[3,4-bis(acetyloxy)phenyl]-2-propenoic acid (264 mg, 1.0 mmol).

References:

D'Ambrosio, Michele [Food Chemistry,2013,vol. 138,# 4,p. 2079 - 2088]