Two new guaianolides from Amberboa ramosa

Natural Product Communications

Volumn 5, Issue 12, 2010, Pages 1865-1868

  Ibrahim, Muhammad ^a   Khan, Rehan ^a   Malik, Abdul ^a  

^a UNIVERSITY OF KARACHI   (Pakistan)

Author keywords

Amberbins A and B; Amberboa ramosa; Guaianolides

Indexed keywords

3 BETA,8 ALPHA DIHYDROXY 11 ALPHA METHYL 1 ALPHA H,5 ALPHA H,6 BETA H,7 ALPHA H,11 BETA H GUAI 10 (14),4 (15) DIEN 6,12 OLIDE; ACETIC ACID ETHYL ESTER; AMBERBIN A; AMBERBIN B; CRYSOERIOL; DRUG METABOLITE; JASEOCIDINE; SESQUITERPENE LACTONE DERIVATIVE; UNCLASSIFIED DRUG;

AMBERBOA RAMOSA; ARTICLE; DRUG ISOLATION; DRUG STRUCTURE; DRUG SYNTHESIS; HERB; NONHUMAN;

AMBERBOA;

EID: 78751539203     PISSN: 1934578X     EISSN: 15559475     Source Type: Journal    
DOI: 10.1177/1934578x1000501204     Document Type: Article

References (12)

1. Akhtar N, Malik A, Afza N, Badar Y. (1993) Cycloartane-type triterpenes from Amberboa ramosa. Journal of Natural Products, 56, 295-299.
2. Khan SB, Haq A, Perveen S, Afza N, Malik A, Ahmad SN,Shah MR, Chaudhary MI. (2005) Butyrycholinesterase inhibitory guaianolides from Amberboa ramosa. Archive of Pharmacal Research, 28, 172-176. (Pubitemid 43073668)
3. Harrison DA, Kulshreshtha DA. (1984) Chemical constituents of Amberboa ramosa. Fitoterapia, 55, 189-192.
4. Forgacs P, Desconclois JF, Dubeck J. (1981) Flavones and sesquiterpene lactones of Volutarella divaricata. Planta Medica, 42, 284-287. (Pubitemid 11007862)
5. Tan AS, Berridge VM. (2000) Superoxide produced by activated neutrophiles efficiently reduces the tetrazolium salt, WST-1 to produce a soluble formazan: a sample colorimetric assay for measuring respiratory burst assay activation and for screening anti-inflammatory agents. Journal of Immunological Methods, 238, 50-68.
6. Menichini F, Benedetto R.DI, Monache FD. (1996) A terpene epoxide and a guaianolide from Ptilostemmon gnaphaloides. Phytochemistry, 41, 1377-1379.
7. Alberto Marco J, Juan FS, Remedios A, Rustaiyan A, Habib Z. (1993) Bisabolene derivatives and sesquiterpene lactones from Cousainia species. Phytochemistry, 32, 395-400.
8. Mamoru S, Toshio M, Seigo F. (1986) Sesquiterpene lactones from Ixeris dentata Nakai, Chemical and Pharmaceutical Bulletin, 34, 4170-4176.
9. Youssef DTA. (1998) Sesquiterpene lactones of Centauria scoparia. Phytochemistry, 49, 1733-1737.
10. Zdero C, Bohlmann F. (1990) Glaucolides, fulvenoguaianilides and other sesquiterpene lactones from Pentzia species. Phytochemistry, 29, 189-194.
11. Khan SB, Afza N, Malik A, Haq A, Ahmad Z. (2004) Structure determination of ramosin, a guaianolide, by NMR spectroscopy. Magnetic Resonance in Chemistry, 42, 1063-1065. (Pubitemid 40012852)
12. Hara S, Okabe H, Mihashi K. (1987) Gas-liquid chromatographic separation of aldose enantiomers as trimethylsilyl ethers of methyl 2-(polyhydroxyalkyl) thiazolidine-4(R)-carboxylates.Chemical and Pharmaceutical Bulletin, 35, 501-506.