Powerful antioxidative agents based on garcinoic acid from Garcinia kola
摘要:
Investigation on the structure-antioxidative activity relationships of derivatives based on garcinoic acid from Garcinia kola (Guttiferae) led to discovery of a powerful antioxidative agent. (C) 2002 Elsevier Science Ltd. All rights reserved.
Synthesis and structure revision of bifurcarenone, a unique monocyclic diterpene in combination with a hydroquinone C7 unit as an inhibitor of mitotic cell division
An efficient synthesis of the antiviral and antioxidative chromene (1) was achieved. A small amount of chromene 1 could be derived from plastoquinones 2 and 3, the major constituents of the brown alga, Sargassum micracanthum. By the following synthetic scheme involving its application, many kinds of analogs can be synthesized for evaluation of their biological activity and mechanistic study. The total
Marine toxins. Synthesis of the spiro-benzoquinonefuran unit in stypoldione
作者:Paul V. Fish、Gerald Pattenden、Simon T. Hodgson
DOI:10.1016/s0040-4039(00)82133-4
日期:1988.1
A synthesis of the unusual spiro-benzoquinonefuran unit (13) presentin the marinetoxinstypoldione (1), using the strategy (9) → (10) → (12) → (13), is described.
Substituted benzopyrans as selective estrogen receptor-beta agonists
申请人:ELI LILLY AND COMPANY
公开号:EP1790644A1
公开(公告)日:2007-05-30
The present invention relates to substituted benzopyran derivatives, stereoisomers, and pharmaceutical acceptable salts thereof and processes for the preparation of the same. The compounds of the present invention are useful as Estrogen Receptor β agonists. Such agonists are useful for the treating Estrogen Receptor β mediated diseases such as prostate cancer.
Benzopyrans as selective estrogen receptor β agonists (SERBAs). Part 4: Functionalization of the benzopyran A-ring
作者:Bryan H. Norman、Timothy I. Richardson、Jeffrey A. Dodge、Lance A. Pfeifer、Gregory L. Durst、Yong Wang、Jim D. Durbin、Venkatesh Krishnan、Sean R. Dinn、Shengquan Liu、John E. Reilly、Kendal T. Ryter
DOI:10.1016/j.bmcl.2007.07.009
日期:2007.9
Benzopyrans are selective estrogen receptor (ER) beta agonists (SERBAs), which bind the ER receptor subtypes alpha and beta in opposite orientations. We have used structure based drug design to show that this unique phenomena can be exploited via substitution at the 8-position of the benzopyran A-ring to disrupt binding to ER alpha, thus improving ER beta subtype selectivity. X-ray cocrystal structures with ER alpha and ER beta are supportive of this approach to improve selectivity in this structural class. (c) 2007 Elsevier Ltd. All rights reserved.