Reference

Furanolabdane Diterpenes from Hypoestes purpurea

Furanolabdane Diterpenes from Hypoestes purpurea. Shen, Chien-Chang; Ni, Ching-Li; Huang, Yu-Ling; Huang, Ray-Ling; Chen, Chien-Chih (National Research Institute of Chinese Medicine, Taipei, Taiwan). Journal of Natural Products, 67(11), 1947-1949 (English) 2004 American Chemical Society. CODEN: JNPRDF. ISSN: 0163-3864. 493-95-8 which is the cas registry number of some chemical is mentioned. DOCUMENT TYPE: Journal CA Section: 11 (Plant Biochemistry) Section cross-reference(s): 30 Four new furanolabdane diterpenes, hypopurin A (1), hypopurin B (2), hypopurin C (3), and hypopurin D (4), together with eight lignans, a-O-methylcubebin, b-O-methylcubebin, hinoquinin, helioxanthin, 7-hydroxyhinokinin, dehydroxycubebin, justicidine E, and (-)-hibalactone, as well as two triterpenes, lupeol and betulin, were isolated from the dried aerial part of Hypoestes purpurea. The structures of 1-4 were elucidated mainly on the basis of NMR and MS. Compd. 1 was found to be moderately cytotoxic toward the KB cell line with an IC50 value of 9.4 mM. .