▎ 摘　　要

NOVELTY - Preparing nipagin ester compound based on graphene oxide comprises esterifying hydroxybenzoic acid with an alkyl alcohol to obtain a nipagin ester compound. USE - The method is useful for preparing nipagin ester compound based on graphene oxide. ADVANTAGE - The method: obtains nipagin ester compound with the yield of more than 90%; recycles filter cake after washed; has short reaction time, and high efficiency; realizes recycling of the used catalyst; is environmentally-friendly; is economical; reduces the dosage of alcohol; and is a high-efficiency method for synthesizing nipagin ester compound.