ALICYCLIC TERPENOIDS FROM CYCLOCITRAL PHENYL SULFIDES. I. ACID-CATALYZED CYCLIZATION OF GERANYL PHENYL SULFIDES TO CYCLOCITRAL DERIVATIVES. A SYNTHESIS OF α- AND β-IONONES
- 5 May 1975
- journal article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 4 (5) , 479-482
- https://doi.org/10.1246/cl.1975.479
Abstract
Cyclocitryl phenyl sulfides (IIa and IIIa) and sulfones (lIb and IIIb) were efficiently prepared by acid-catalyzed cyclization of geranyl phenyl sulfide (Ia) and sulfone (Ib). The sulfones (IIb and IIIb) could be converted into α- and β-ionones. The cyclization of citral diphenylthioacetal (ic) afforded the tricyclic compound (Vl), The detailed cyclization conditions are discussed.This publication has 10 references indexed in Scilit:
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