T. Sattelkau et P. Eilbracht, DIASTEREOSPECIFIC SYNTHESIS OF SPIRO[4.5]DECAN-2-ONES AS VETIVANE PRECURSOR VIA RHODIUM-CATALYZED CLAISEN REARRANGEMENT HYDROACYLATION/, Tetrahedron letters, 39(14), 1998, pp. 1905-1908
The one-pot combination of Claisen rearrangement of allyl vinyl ethers
followed by an intramolecular hydroacylation catalysed by RhCl(cod)(d
ppe) is used as a key step in the synthesis of methyl-1,4-dioxa-dispir
o[4.2.4.2]tetradecan-10-one (12). The diastereospecific outcome of the
reaction is discussed. This product is a potential precursor in the s
ynthesis of solavetivone. (C) 1998 Elsevier Science Ltd. All rights re
served.