Structures of two novel triterpene saponins from Arenaira filicaulis Boiss

Magnetic Resonance in Chemistry

Volumn 35, Issue 9, 1997, Pages 637-642

  Hani, M ^f   Elgamal, A ^a   Soliman, Hesham S M ^b   Elmunajjed, Dalal T ^c   Tóth, Gábor ^d   Simon, András ^d   Duddeck, Helmut ^e  

^a NATIONAL RESEARCH CENTRE   (Egypt)

^b Ein Helwan   (Egypt)

^c DAMASCUS UNIVERSITY   (Syrian Arab Republic)

^d BUDAPEST UNIVERSITY OF TECHNOLOGY AND ECONOMICS   (Hungary)

^e LEIBNIZ UNIVERSITY HANNOVER   (Germany)

^f NONE

Author keywords

13C NMR; 1H NMR; Conformation; COSY; HMBC; HMQC; HSQC; NMR; ROESY; Saponin; Stereochemistry; TOCSY; Triterpene

Indexed keywords

METABOLITES;

13C NMR; 1H NMR; COSY; HMBC; HMQC; HSQC; ROESY; SAPONIN; TOCSY; TRITERPENES;

NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY;

EID: 0039270401     PISSN: 07491581     EISSN: None     Source Type: Journal    
DOI: 10.1002/(sici)1097-458x(199709)35:9<637::aid-omr141>3.0.co;2-0     Document Type: Article

References (15)

1. W. H. Lewis and M. P. F. Elvin-Lewis, Medical Botany, Plants Affecting Man Health, p. 315. Wiley, New York (1977).
2. (a) M. H. A. Elgamal, H. S. M. Soliman, M. S. Karawya, B. Mikhova and H. Duddeck, Phytochemistry 38, 1481 (1995);
3. (b) M. H. A. Elgamal, H. S. M. Soliman, H. Duddeck, B. Mikhova and M. Gartmann, Z. Naturforsch., Teil B 50, 563 (1995);
4. (c) M. H. A. Elgamal, H. S. M. Soliman, M. S. Karawya and H. Duddeck, Nat. Prod. Lett. 4, 217 (1994).
5. H. M. A. Elgamal, H. S. M. Soliman, G. Tóth, J. Halász and H. Duddeck, Magn. Reson. Chem. 34, 697 (1996).
6. W. Wilker, D. Leibfritz, R. Kerssebaum and W. Bermel, Magn. Reson. Chem. 31, 287 (1993).
7. (a) A. A. Bothner-By, R. L. Stephens, J.-M. Lee, C. D. Warren and R. W. Jeanloz, J. Am. Chem. Soc. 106, 811 (1984);
8. (b) A. Bax and D. G. Davis, J. Magn. Reson. 63, 207 (1985).
9. A. Bax and D. G. Davis, J. Magn. Reson. 65, 355 (1986).
10. R. E. Hurd, J. Magn. Reson. 87, 422 (1990).
11. L. Lerner and A. Bax, J. Magn. Reson. 69, 375 (1986).
12. F. Tsichritzis and J. Jakupovic, Phytochemistry 29, 3173 (1990).
13. J. Reuben, Carbohydr. Res. 197, 257 (1990).
14. (a) R. U. Lemieux, S. Koto and D. Voisin, in Anomeric Effect Origin and Consequences, edited by W. A. Szarek and D. Horton, ACS Symposium Series, Vol. 87, pp. 17ff. American Chemical Society, Washington, DC (1979);
15. (b) A. J. Kirby, The Anomeric Effect and Related Stereoelectronic Effects at Oxygen. Springer, Heidelberg (1983).