title: Two new 14-membered cyclopeptide alkaloids from Zizyphus xylopyra.
abstract: The phytochemical investigation of the bark of Zizyphus xylopyra resulted in the isolation of two new 14-membered ring cyclopeptide alkaloids, xylopyrine-G and xylopyrine H. Their structures have been established by chemical and spectral evidences.
authors: Department of Chemistry, S.G.R. Post Graduate College, Purvanchal University, Dobhi 222149, Jaunpur, India.
authors: Manoj B
authors: MB
authors: Pandey
authors: Sarita
authors: S
authors: Singh
authors: Meenakshi
authors: M
authors: Malhotra
authors: Vidya B
authors: VB
authors: Pandey
authors: Tryambak D
authors: TD
authors: Singh
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification*; D013058:Mass Spectrometry; D010456:Peptides, Cyclic / Q000302:isolation & purification*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D031957:Ziziphus / Q000737:chemistry*
chemical_list: D000470:Alkaloids; D010456:Peptides, Cyclic