Results 11 to 20 of about 14,560 (215)

Stemarane Diterpenes and Diterpenoids

International Journal of Molecular Sciences, 2019
In this article the scientific activity carried out on stemarane diterpenes and diterpenoids, isolated over the world from various natural sources, was reviewed. The structure elucidation of stemarane diterpenes and diterpenoids was reported, in addition to their biogenesis and biosynthesis.
Leonelli, Francesca, Valletta, Alessio, Migneco, Luisa Maria, Marini Bettolo, Rinaldo   +3 more
openaire   +2 more sources

Chemistry of the Calceolaria Genus. Structural and Biological Aspects

Molecules, 2000
Autochthonous species of the Calceolaria (Scrophulariaceae) genus are studied. From their apolar extracts 55 new diterpenes of six skeleton types, naphtoquinones and flavonoids have been isolated.
Juan A. Garbarino, María C. Chamy, Marisa Piovano   +2 more
doaj   +1 more source

Some progress on the chemistry of natural bioactive terpenoids form Chinese medicinal plants

Memorias do Instituto Oswaldo Cruz, 1991
(1) Pseudolaric acids - Novel diterpenes, Pseudolaric acid A, B, C and D were isolated from Pseudolarix kaempferi Gorden (pinaceae). Their structures were assigned by spectroscopic data and chemical correlations.
Bing-Nan Zhou
doaj   +1 more source

Diterpenes From the Marine Brown Algae of the Genus

Natural Product Communications, 2020
Brown algae of the genus Dilophus contain plenty of biologically active secondary metabolites with diverse structures. Excellent progress has been made in the discovery of diterpenes with extensive chemical defense activity from this genus. Most of these
Xue Xia, Bo Li, Yuqin Hou, Jinrong Zhang, Xiaojun Yan   +4 more
doaj   +1 more source

Recent Advances in the Application of Diterpenoids in the Preservation of Meat Products [PDF]

Shipin Kexue
Diterpenoids are terpenoids containing four isoprene units with a total of 20 carbon atoms. They are derived from geranyl pyrophosphate, including acyclic diterpenes, monocyclic diterpenes, dicyclic diterpenes, tricyclic diterpenes, and tetracyclic ...
YAN Jinxi, ZANG Mingwu, LIU He, XU Chenchen, SHI Yuxuan, BAI Jing, ZHAO Yan, HAO Jingyi, ZHANG Yaru
doaj   +1 more source

Efficient Separation of Four Antibacterial Diterpenes from the Roots of Salvia Prattii Using Non-Aqueous Hydrophilic Solid-Phase Extraction Followed by Preparative High-Performance Liquid Chromatography

Molecules, 2018
An efficient preparative procedure for the separation of four antibacterial diterpenes from a Salvia prattii crude diterpenes-rich sample was developed.
Jun Dang, Yulei Cui, Jinjin Pei, Huilan Yue, Zenggen Liu, Weidong Wang, Lijin Jiao, Lijuan Mei, Qilan Wang, Yanduo Tao, Yun Shao   +10 more
doaj   +1 more source

Characterization of phloroglucinol derivatives and diterpenes in Euphorbia ebracteolata Hayata by utilizing ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry

Journal of Pharmaceutical Analysis, 2013
Euphorbia ebracteolata Hayata (E. ebracteolata) is a Chinese herbal medicine used for the treatment of tumor diseases. An ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry (UPLC–Q–TOF/MS) based chemical profiling ...
Can-Jian Wang, Ying-Qiao Jiang, Dong-Hui Liu, Xiao-Hong Yan, Shuang-Cheng MA   +4 more
doaj   +1 more source

Diterpenes from the Marine Algae of the Genus Dictyota

Marine Drugs, 2018
Species of the brown algae of the genus Dictyota are rich sources of bioactive secondary metabolites with diverse structural features. Excellent progress has been made in the discovery of diterpenes possessing broad chemical defensive activities from ...
Jiayun Chen, Hong Li, Zishuo Zhao, Xue Xia, Bo Li, Jinrong Zhang, Xiaojun Yan   +6 more
doaj   +1 more source

Unified short syntheses of oxygenated tricyclic aromatic diterpenes by radical cyclization with a photoredox catalyst

Communications Chemistry, 2023
The biomimetic two-phase strategy employing polyene cyclization and subsequent oxidation/substitution is an effective approach for divergent syntheses of [6-6-6]-tricyclic diterpenes.
Riichi Hashimoto, Kengo Hanaya, Takeshi Sugai, Shuhei Higashibayashi   +3 more
doaj   +1 more source

Prediction of Anticancer Activity of Diterpenes Isolated from the Paraiban Flora through a PLS Model and Molecular Surfaces

Natural Product Communications, 2014
The aim of this work was to predict the anticancer potential of 3 atisane, and 3 trachylobane diterpene compounds extracted from the roots of Xylopia langsdorffiana.
Luciana Scotti, Marcus T. Scotti, Hamilton Ishiki, Francisco J. B. M. Junior, Paula F. dos Santos, Josean F Tavares, Marcelo S. da Silva   +6 more
doaj   +1 more source