Total Synthesis of Endiandric Acid A via an Intramolecular Diels-Alder Strategy
作者:Scott May、Paul Grieco、Hyun-Ho Lee
DOI:10.1055/s-1997-6116
日期:1997.6
The total synthesis of endiandric acid A (1), featuring an intramolecular Diels-Alder approach for elaboration of the 6-5-6 carbocyclic array and an intramolecular Majetich reaction for construction of the four-membered ring, is described.
The present invention relates to methods for use in producing epothilones and analogs and derivatives thereof. A general method according to the present invention broadly comprises performing an aldol condensation of a first compound with a second compound thereby to form a third compound selected from the formulas:
1
and stereoisomers thereof, and performing a macrolactonization of the third compound. The present invention also provides chemical compounds, and methods for producing such chemical compounds, that are useful in producing epothilones and analogs and derivatives thereof.
Endiandric acid, a novel carboxylic acid from Endiandra introrsa(Lauraceae): X-ray structure determination
作者:Wickramsinge M. Bandaranayake、James E. Banfield、David St. C. Black、Gary D. Fallon、Bryan M. Gatehouse
DOI:10.1039/c39800000162
日期:——
X-Ray crystal structure analysis shows that endiandricacid, a constituent of the Australian tree Endiandraintrorsa, has the novel racemic structure (1), (1RS,3RS,6SR,7SR,10SR,11RS,12RS,13RS)-(6-phenyltetracyclo[5.4.2.03,13010,12]trideca-4,8-dien-11-yl]acetic acid.
Unified total synthesis of the natural products endiandric acid A, kingianic acid E, and kingianins A, D, and F
作者:S. L. Drew、A. L. Lawrence、M. S. Sherburn
DOI:10.1039/c5sc00794a
日期:——
A measure of the strength of a synthetic strategy is its versatility: specifically, whether it allows structurally distinct targets to be prepared. Herein we disclose a unified approach for the total synthesis of natural products of three distinct structuraltypes, all of which occur naturally as racemic mixtures. The point of divergence involves the terminal alkylation of a conjugated tetrayne, and
Endiandric acid H and its derivatives, process for their preparation and use thereof
申请人:Aventis Pharma Deutschland GmbH
公开号:US20040138313A1
公开(公告)日:2004-07-15
The invention relates to compounds of the formula (I)
1
process for their preparation starting from the plant
Beilschmiedia fulva,
PLA 101 037, and the use thereof for producing a medicament, in particular for the treatment of allergic disorders, of asthmatic disorders, of inflammatory concomitant symptoms of asthma and/or of diseases which can be treated by inhibiting c-maf and NFAT.