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|Title:||Enantiospecific synthesis of sesquiterpenes from (<i style="">R</i>)-carvone. Synthesis of 3-thapsenol|
|Series/Report no.:||<b>Int</b>.<b>Cl</b>.<b><sup>7</sup> C 07 13/08</b>|
|Abstract:||Enantiospecific synthesis of 3-thapsenol, comprising the carbon framework of a small group of sesquiterpenes containing three contiguous quaternary carbon atoms has been described. (<i style="">R</i>)-Carvone has been employed as the chiral starting material utilizing the isopropenyl group as a masked hydroxy group. A combination of alkylation, orthoester Claisen rearrangement and intramolecular diazo ketone cyclopropanation reactions has been employed for the creation of the three requisite contiguous quaternary carbon atoms.|
|Appears in Collections:||IJC-B Vol.44B(05) [May 2005]|
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