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- Title
Homologues of p-Menthane Derivatives in Roman Camomile.
- Authors
Thomas, Alan F.; Schouwey, Marina; Egger, Jean-Claude
- Abstract
5-Isopropyl-2-propyl-2-cyclohexen-1-one ( 1) and 5-isopropyl-2-(2-methylpropyl)-2-cyclohexen-1-one ( 2), homologues of the p-methene ketone carvotanacetone, have been identified in the oil of Anthemis nobilis. Their synthesis involved allylation of a cyclohexane-1,3-dione, and the acid-catalyzed cyclization to dihydrofurans of the 2-allylcyclohexane-1,3-diones is described. The stereochemistry of metal hydride reduction of 3-ethoxy-5-isopropyl-2-propyl-2-cyclohexen-1-one ( 18) is mentioned in the course of the synthesis of the natural products. Some biogenetic considerations are discussed.
- Publication
Helvetica Chimica Acta, 1981, Vol 64, Issue 5, p1488
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.19810640524