Nudenoic acid: A novel tricyclic sesquiterpenoid from the Taiwanese liverwort Mylia nuda

Tetrahedron Letters

Volumn 37, Issue 52, 1996, Pages 9307-9308

  Huei Ju, Liu ^a   Wu, Chia Li ^a   Hashimoto, Toshihiro ^b   Asakawa, Yoshinori ^b  

^a TAMKANG UNIVERSITY   (Taiwan)

^b TOKUSHIMA BUNRI UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

NUDENOIC ACID; SESQUITERPENOID; UNCLASSIFIED DRUG;

ARTICLE; DRUG ISOLATION; DRUG STRUCTURE; GAS CHROMATOGRAPHY; MASS SPECTROMETRY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PHYTOCHEMISTRY; TAIWAN; X RAY ANALYSIS;

MYLIA; NUDA;

EID: 0030599665     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(97)82949-8     Document Type: Article

References (13)

1. 1. Wu, C.-L.; Asakawa, Y. J. Chin. Chem. Soc. 34, 219 (1987).
2. 2. All species were identified by Dr. K. Yamada (Ise-shi, Japan), to whom we are very grateful. The present research was supported financially by the National Science Council of the Republic of China.
3. 3) δ 32.2, 20.6, 31.1, 43.3, 48.4, 34.6, 37.1, 24.6, 33.0, 31.3, 131.3, 150.0, 171.2, 15.5, 21.9, from C-1 to C-15, respectively. All undescribed peaks were seriously overlapped.
4. w values were 0.063 and 0.067 for 1616 reflections.
5. 3) δ 32.2, 20.6, 31.1, 44.1, 49.4, 34.3, 34.3, 24.8, 32.7. 31.5, 143.3, 158.9 193.4, 15.5, 21.9. from C-1 to C-15, respectively. All undescribed peaks were seriously overlapped.
6. 6. (a) Benesova, V.; Sedmera, P.; Herout, V.; Sorm, F. Collect. Czech. Chem. Comm. 38, 1084 (1973).
7. (b) Matsuo, A.; Nozaki, H.; Shigemori, M.; Nakayama, M.; Hayashi, S. Experientia 33, 991 (1977).
8. 7. GC: DBWAX, 30m x 0.25mm, 50°C to 220°C at 5°C/min; MS: EI, 70 eV.
9. 8. Wu, C.-L. Youji Huaxue (in press).
10. 9. A specimen given to C.-L. Wu from Prof. S. R. Gradstein (University of Gottingen, Germany).
11. 10. Wu, C.-L.; Lee, T.-C. Proc. Natl. Sci. Counc., B, ROC, 7, 428 (1983).
12. 11. Wu, C.-L. in Bryophytes Their Chemistry and Chemical Taxonomy (Zinsmeister, H. D.; Mues, R. eds.), p71, Clarendon Press: Oxford (1990).
13. 12. Tori, M.; Aoki, M.; Nakashima, K.; Asakawa, Y. Phytochemistry 39, 99 (1995).