Calyxin H, epicalyxin H and blepharocalyxins A and B, novel diarylheptanoids from the seeds of Alpinia blepharocalyx

Journal of Natural Products

Volumn 61, Issue 2, 1998, Pages 212-216

  Prasain, Jeevan Kumar ^a   Li, Jian Xin ^a   Tezuka, Yasuhiro ^a   Tanaka, Ken ^b   Basnet, Purusotam ^a   Dong, Hui ^c   Namba, Tsuneo ^a   Kadota, Shigetoshi ^a  

^a UNIVERSITY OF TOYAMA   (Japan)

^b NATIONAL RESEARCH INSTITUTE OF POLICE SCIENCE   (Japan)

^c CHINA PHARMACEUTICAL UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

BLEPHAROCALYXIN A; BLEPHAROCALYXIN B; CALYXIN H; CHALCONE DERIVATIVE; DIARYL HEPTANOID DERIVATIVE; EPICALYXIN H; UNCLASSIFIED DRUG;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL STRUCTURE; DRUG ISOLATION; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; PHYTOCHEMISTRY; PLANT SEED; PROTON NUCLEAR MAGNETIC RESONANCE;

ALPINIA BLEPHAROCALYX;

EID: 0031950635     PISSN: 01633864     EISSN: None     Source Type: Journal    
DOI: 10.1021/np970404d     Document Type: Article

References (9)

1. Itokawa, H.; Watanabe, K.; Mihashi, S.; Iitaka, Y. Chem. Pharm. Bull. 1980, 28 (8), 681-682.
2. Itokawa, H.; Aiyama, R.; Ikuta, A. Phytochemistry 1981, 20, 769-771.
3. Itokawa, H.; Aiyama, R.; Ikuta, A. Phytochemistry 1982, 21, 241-243.
4. Kadota, S.; Hui, D.; Basnet, P.; Prasain, J. K.; Xu, G.-J.; Namba, T. Chem. Pharm. Bull. 1994, 42, 2647-2649.
5. Prasain, J. K.; Tezuka, Y.; Li, J.-X.; Tanaka, K.; Basnet, P.; Dong, H.; Namba, T.; Kadota, S. Tetrahedron 1997, 53, 7833-7842.
6. Prasain, J. K.; Tezuka, Y.; Li, J.-X.; Tanaka, K.; Basnet, P.; Dong, H.; Namba, T.; Kadota, S. J. Chem. Res., in press.
7. A part of this work was reported as a preliminary communication: Kadota, S.; Prasain, J. K.; Li, J. X.; Basnet, P.; Dong, H.; Tani, T.; Namba, T. Tetrahedron Lett. 1996, 37, 7283-7286.
8. In Kadota et al. (ref 7), blepharocalyxins A and B were assigned as stereoisomers at C-3; however, a series of study on the constituents of A. blepharocalyx (refs 5, 6) led to the conclusion that they are stereoisomeric at C-7.
9. 2O extract of A. blepharocalyx.