Exaltone®(= Cyclopentadecanone) from Isomuscone®(= Cyclohexadecanone), a One??C??Atom Ring??Contraction Methodology via a Stereospecific Favorskii …

C Chapuis, F Robvieux, C Cantatore…

Index: Helvetica Chimica Acta, , vol. 95, # 3 p. 428 - 447

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Citation Number: 2

Abstract

... Helvetica Chimica Acta – Vol. ... Na2S, EtOH [17]) to the new cyclic thioether IIa (61%), prior to oxidation (H2O2 , NaHCO3, MnSO4, MeCN [18]) to sulfone IIb (95%). ... conditions (KOH, Al2O3, EtOH, CCl4 or CBr2F2 , 608 [19]), this sulfone IIb afforded, in 70 – 82% yield, a 3:7(E)/(Z ...

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