Journal ArticleDOI
Structure and stereochemistry of the tetracyclic diterpene phorbol from croton tiglium L.
Erich Hecker,H. Bartsch,H. Bresch,M. Gschwendt,B. Härle,G. Kreibich,H. Kubinyi,H. U. Schairer,Ch. v. Szczepanski,H. W. Thielmann +9 more
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This article is published in Tetrahedron Letters.The article was published on 1967-01-01. It has received 46 citations till now. The article focuses on the topics: Croton tiglium & Phorbol.read more
Citations
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Journal Article
Cocarcinogenic principles from the seed oil of Croton tiglium and from other Euphorbiaceae.
Journal ArticleDOI
Tigliane Diterpenoids from the Euphorbiaceae and Thymelaeaceae Families
TL;DR: Families Hong-Bing Wang,*, Xiao-Yang Wang,†,‡ Li-Ping Liu,† Guo-Wei Qin, and Ting-Guo Kang are involved in the research.
Journal Article
A New Tumor Promoter from the Seed Oil of Jatropha curcas L., an Intramolecular Diester of 12-Deoxy-16-hydroxyphorbol
Mitsuru Hirota,Maitree Suttajit,Hiroko Suguri,Yasuyuki Endo,Koichi Shudo,Vichai Wongchai,Erich Hecker,Hirota Fujiki +7 more
TL;DR: The results indicate that the new phorbol ester, DHPB, is a tumor promoter with weaker activity than 12-O-tetradecanoylphorbol-13-acetate.
Pc19 a new tumor promoter from the seed oil of jatropha curcas l. : an intramolecular diester of 12-deoxy-16-hydroxyphorbol
M. Hirota,H. Fujiki,Masami Suganuma,Hiroko Suguri,Y. Endo,K. Shudo,M. Suttajit,V. Wongchai,E. Hecker,T. Sugimura +9 more
Book ChapterDOI
Phorbolesters — the Irritants and Cocarcinogens of Croton Tiglium L.
E. Hecker,R. Schmidt +1 more
TL;DR: Croton tiglium L. (family: Euphorbiaceae) is a leafy shrub native to Southeast Asia and cultivated in Ceylon, Malabar, Amboina, the Philippines, Mauritius and in China.
References
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Journal ArticleDOI
Phorbol esters from croton oil chemical nature and biological activities
TL;DR: The aim of this book is to provide a chronology of events leading up to and including the invention of the high-performance liquid chromatography technique.
Journal ArticleDOI
Rotatory dispersion curves of cyclopropyl-ketones and epoxy-ketones
TL;DR: In this paper, the optical rotatory dispersion curves of a wide variety of epoxy ketones and cyclopropyl ketones are reported and discussed; the results are analyzed in terms of the octant rule.
Journal ArticleDOI
Circulardichroitische Messungen an gesättigten und α,β‐ungesättigten Cyclopropyl‐ketonen
K. Schaffner,Günther Snatzke +1 more
TL;DR: In this article, the circular dichroism of saturated and α,β-unsaturated ketones containing three-membered rings has been measured and correlated with the configurations and conformations of these compounds.
Journal ArticleDOI
Kombination wirksamer Trennverfahren mit modernen analytischen Methoden in der Naturstoffchemie
H. Bartsch,H. Bresch,M. Gschwendt,E. Härle,G. Kreibich,H. Kubinyi,H. U. Schairer,Ch. v. Szczepanski,H. W. Thielmann,Erich Hecker +9 more
TL;DR: In this article, the entzundlichen and cocarcinogenen Substanzen A1-A4 and B1-B7 rein dargestellt werden, sind Diester des polyfunktionellen Diterpenalkohols Phorbol, C20H28O6 with jeweils einer kurzkettigen (Essig-, (+)-S-2-Methylbutter-, Tiglinsaure) and einer langkettige Fettsaure (Capryl-,