Farag, S., Hassanean, H., Makboul, M., Emary, N., Niwa, M. (1998). REVISED 13C-NMR ASSIGNMENTS OF KAURENOIDS FROM WEDELIA PROSTRATA HOOK et ARN (HEMSL). test, 21(1), 81-87. doi: 10.21608/bfsa.1998.67842
S. F. Farag; H. A. Hassanean; M. A. Makboul; N. A. Emary; M. Niwa. "REVISED 13C-NMR ASSIGNMENTS OF KAURENOIDS FROM WEDELIA PROSTRATA HOOK et ARN (HEMSL)". test, 21, 1, 1998, 81-87. doi: 10.21608/bfsa.1998.67842
Farag, S., Hassanean, H., Makboul, M., Emary, N., Niwa, M. (1998). 'REVISED 13C-NMR ASSIGNMENTS OF KAURENOIDS FROM WEDELIA PROSTRATA HOOK et ARN (HEMSL)', test, 21(1), pp. 81-87. doi: 10.21608/bfsa.1998.67842
Farag, S., Hassanean, H., Makboul, M., Emary, N., Niwa, M. REVISED 13C-NMR ASSIGNMENTS OF KAURENOIDS FROM WEDELIA PROSTRATA HOOK et ARN (HEMSL). test, 1998; 21(1): 81-87. doi: 10.21608/bfsa.1998.67842

REVISED 13C-NMR ASSIGNMENTS OF KAURENOIDS FROM WEDELIA PROSTRATA HOOK et ARN (HEMSL)

Bulletin of Pharmaceutical Sciences Assiut University
Article 10, Volume 21, Issue 1, June 1998, Pages 81-87
Document Type: Original Article
DOI: 10.21608/bfsa.1998.67842
Authors
S. F. Farag1; H. A. Hassanean1; M. A. Makboul1; N. A. Emary1; M. Niwa2
1Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, 71524 Assiut, Egypt
2Faculty of Pharmacy, Meijo University, Tempaku, Nagoya, Japan
Abstract
A sesquiterpene and nine known ent kaurenoids in addition to two flavonoids were isolated from Wedelia prostrate (Compositae) cultivated in Egypt for the first time. Their structures were elucidated on the basis of spectroscopic methods. The HH-COSY, CH-COSY, COLOC and/or HMBC studies led to revisement of the previously reported 13C-NMR resonances of some of them.
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