Crystal Structure and Properties of the Carboxylic Acid Derivatives ofSchizonpeta mulifida(L.) Briq

Autor: Ji-Cheng Yu, Xiao-Jing Zhao, Li-Ying Zhang, Sheng-Di Fan, Hui-Ming Jiang, Ju-Tao Liu
Rok vydání: 2008
Předmět:
Zdroj: Chinese Journal of Chemistry. 26:1129-1132
ISSN: 1614-7065
1001-604X
DOI: 10.1002/cjoc.200890201
Popis: The chemical constituents of the carboxylic acid derivatives from the ear of Schizonepeta were investigated. 1H and 13C NMR chemical shifts of the carboxylic acid derivatives were accurately assigned. Two carboxylic acid derivative constituents were separated by a silica gel column. The structures were elucidated by the physical and chemical properties, IR, 1H NMR, 13C NMR, MALDI-TDF-MS and X-ray single crystal diffractometry. They were identified as 3-imino-N-(α-imidoethylamino)butyrolactam and neononane tetracid, respectively. The antitumoral activity on liver tumor cells SMMC-7721 was determined invitro. The experimental results showed that the former was better than the latter, and with increasing the concentration of the former the inhibitory activity was increased.
Databáze: OpenAIRE