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Total synthesis of naturally configured pyrrhoxanthin, a carotenoid butenolide from plankton.
The structure of the marine natural product pyrrhoxanthin (5) is highly unusual for a carotenoid. Firstly, it comprises 37 rather than 40 carbon atoms, and secondly it contains oxygen substituentsExpand
Sn/Li Exchange Reactions in 1,ω-Distannylated Conjugated Trienes and Tetraenes: An Enabling Step for Polyene Synthesis
Successive treatments of (1E,3E,5E)- or (1E,3Z,5E)-1,6-bis(tri-butylstannyl)hexa-1,3,5-triene with nBuLi and butanal rendered polyenyl alcohols resulting from one Sn/Li exchange reaction andExpand
Stereocomplementary syntheses of 1,ω-distannylated E,Z-isomeric conjugated trienes, tetraenes, and pentaenes.
Stereoselective syntheses of 1,6-bis(tributylstannyl)hexa-1,3,5-trienes, 1,8-bis(tributylstannyl)octa-1,3,5,7-tetraenes, and 1,10-bis(tributylstannyl)deca-1,3,5,7,9-pentaenes with various methylationExpand
Market beverages - composition, nutritional value and legal evaluation.
Fermented beverages are products which are produced by fermentation of carbohydrate-rich foodstuffs with a mixture of cultures of different microorganisms like yeasts, lactic acid bacteria and aceticExpand