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- Publications
- Influence
Fungistatic sesquiterpenoids from Parthenium
- G. T. Maatooq, J. Hoffmann
- Chemistry
- 1 September 1996
Abstract β-Eudesmol, γ-eudesmol and partheniol were isolated from the derubberized resin of Parthenium argentatum × P. tomentosa ; a new dinorsesquiterpenoid diketone (guayulon) was also isolated.… Expand
Production of Resins by Arid-Adapted Astereae
- J. Hoffmann, Barbara E. Kingsolver, S. Mclaughlin, B. Timmermann
- Geography
- 1984
The arid regions of the world and their native flora remain a largely unexplored frontier in the search for new plant chemicals. This search has been revived in recent years because, in addition to… Expand
STRUCTURES OF ZEYLENOL AND ZEYLENA, CONSTITUENTS OF UVARIA ZEYLANICA (ANNONACEAE)
- S. Jolad, J. Hoffmann, K. Schram, J. R. Cole, M. S. Tempesta, R. Bates
- Chemistry
- 9 March 1982
Bouvardin and deoxybouvardin, antitumor cyclic hexapeptides from Bouvardia ternifolia (Rubiaceae).
- S. Jolad, J. Hoffmann, +6 authors G. R. Kriek
- Chemistry, Medicine
- Journal of the American Chemical Society
- 23 November 1977
Structures of zeylenol and zeylena, constituents of Uvaria zeylanica (Annonaceae)
- S. Jolad, J. Hoffmann, K. Schram, J. R. Cole, M. S. Tempesta, R. Bates
- Chemistry
- 1 October 1981
Uvaricin, a New Antitumor Agent from Uvaria accuminata (Annonaceae).
- S. Jolad, J. Hoffmann, +4 authors R. Bates
- Chemistry
- 4 January 1983
Constituents of Trichilia Hispida (Meliaceae). 2. A New Triterpenoid, Hispidone, and Bourjotinolone A
- S. Jolad, J. Hoffmann, J. R. Cole, M. S. Tempesta, R. Bates
- Chemistry
- 1 July 1980
Antibacterial diterpenoid acids from Azorella compacta.
- G. Wächter, G. Matooq, +4 authors B. Timmermann
- Chemistry, Medicine
- Journal of natural products
- 1 September 1999
The two novel diterpenoid acids mulin-12,14-dien-11-on-20-oic acid (1) and mulin-12-ene-11,14-dion-20-oic acid (2) have been isolated from Azorella compacta. Their structures have been elucidated by… Expand
Inhibition of Mycobacterium tuberculosis growth by saringosterol from Lessonia nigrescens.
- G. Wächter, S. Franzblau, G. Montenegro, J. Hoffmann, W. Maiese, B. Timmermann
- Biology, Medicine
- Journal of natural products
- 26 October 2001
Assay-guided fractionation of an antitubercular extract obtained from Lessonia nigrescens yielded the phytosterol saringosterol as its active component. No appreciable toxicity against Vero cells was… Expand
Antifungal eudesmanoids from Parthenium argentatum x P. tomentosa
- G. T. Maatooq, D. K. Stumpf, J. Hoffmann, L. K. Hutter, B. Timmermann
- Chemistry
- 1 February 1996
Abstract Investigation of guayule resin for antifungal activity has led to the isolation and characterization of six eudesmane-type sesquiterpenoids, five of which are new:… Expand