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A series of homochiral α-tetralols, as well as their respective acetates, has been obtained by esterification of racemic tetralols, using Candida antarctica lipase (CALB—Novozym ® 435) as the biocatalyst. This enzyme is shown to be highly efficient for the kinetic resolution of the substrates studied, affording the (+)-tetralols and the (+)-acetates in excellent enantiomeric excess (up to...
The first total synthesis of racemic corymbolone, an eudesmane sesquiterpene isolated from Cyperus species used in traditional medicine to treat many diseases, is reported. In the developed sequence, the immediate precursor of corymbolone is the diol β-corymbolol, an epimer at C 1 of the natural α-corymbolol. Thus, starting from the readily available Wieland–Miescher Ketone, the title compounds...
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