- Preparation of the Hexanolide Isolated from Conyza hypoleuca
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A synthesis of racemic 13-hydroxy-10-sesquigeranic-1,12-olide is reported using bis(sym-collidine)iodine(I) hexafluorophosphate in the lactonisation key step.
- Simonot, Bruno,Rousseau, Gerard
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- AMORFRUTIN ANALOGS AS PPARGAMMA-MODULATORS
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The present invention relates to Amorfrutin analogues and stereoisomeric forms, solvates, hydrates, conjugates and/or pharmaceutically acceptable salts of these compounds as well as pharmaceutical compositions containing at least one of these Amorfrutin analogues together with pharmaceutically acceptable carrier, excipient and/or diluents. Said Amorfrutin analogues have been identified as modulators of the peroxisome proliferator-activated receptors (PPARs), especially PPAR? and are useful for the prevention and treatment of metabolic diseases, inflammatory diseases, cancer and preparation of phytomedicals and/or functional food products for prevention of metabolic diseases.
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Page/Page column 49; 50
(2014/11/13)
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- Allylic alcohols as radical allylating agents. An overall olefination of aldehydes and ketones
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2-Fluoropyridyl derivatives of allylic alcohols react with xanthates in the presence of lauroyl peroxide to give alkenes, often with high stereoselectivity. If the allylic alcohols are themselves derived from aldehydes or ketones, the overall process becomes a synthetic equivalent of the classical Wittig and related olefination reactions. Copyright
- Charrier, Nicolas,Quiclet-Sire, Beatrice,Zard, Samir Z.
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scheme or table
p. 8898 - 8899
(2009/02/03)
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- Stereo- and regioselectivity of intramolecular 1,2-arene-alkene photocycloaddition in 2-alkenyl-4-chromanones
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Intramolecular 1,2-arene-alkene photocycloaddition of 2-alkenyl-4- chromanones gave complex multicyclic oxatetracyclotetradecanediones which on internal photo- and microwave induced thermal rearrangements provided a diverse array of compounds with [3.3.0]bicyclooctane carbon frame work. The stereo-and regiochemical aspects as well as desymmetrization of alkenyl chromanones due to intramolecular 1,2-arene-alkene photocycloaddition have also been discussed.
- Kalena, Govind P.,Pradhan, Padmanava,Banerji, Asoke
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p. 3209 - 3218
(2007/10/03)
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