More phytochemical information about Gleditsia sinensis has been provided.
New long-chain esters of trans-ferulic acid have been gotten firstly from Gleditsia.
Length of fatty chains in the new esters were C11, C22, C23, and C25, respectively.
The number of this kind of esters obtained from the natural plants was very limited.
Three compounds sharing a cinnamicaldehyde structure showed cytotoxic activities.