cis-2,6-Dimethyl-4-{2-methyl-3-[4-(2-methyl-2-propanyl)phenyl]propyl}morpholine or (2R,6S)-4-[3-(4-tert-butylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine
Fenpropimorph is a morpholine-derived fungicide used in agriculture, primarily on cereal crops such as wheat. It has been reported to disrupt eukaryotic sterol biosynthesis pathways, notably by inhibiting fungal Δ14 reductases. It has also been reported to inhibit mammalian sterol biosynthesis by affecting lanosterol demethylation. Although used in agriculture for pest management purposes, it has been reported to have a strong adverse effect on sterol biosynthesis in higher-plants by inhibiting the cycloeucalenol-obtusifoliol isomerase. This inhibition was shown to not only alter the lipid composition of the plasma-membrane, but also impact cell division and growth, in plants.
In addition to its effects on fungi, fenpropimorph is also a very high affinity ligand of the mammalian sigma receptor.
See also
Amorolfine - same core structure but with a tert-amyl group in place of the tert-butyl
References
12345"Fenpropimorph"(PDF). Food and Agriculture Organization of the United Nations. Archived from the original(PDF) on 20 November 2004.
↑Rahier A, Schmitt P, Huss B, Benveniste P, Pommer EH (February 1986). "Chemical structure-activity relationships of the inhibition of sterol biosynthesis by N-substituted morpholines in higher plants". Pesticide Biochemistry and Physiology. 25 (1): 112–124. doi:10.1016/0048-3575(86)90038-6.
↑Hartmann MA, Perret AM, Carde JP, Cassagne C, Moreau P (August 2002). "Inhibition of the sterol pathway in leek seedlings impairs phosphatidylserine and glucosylceramide synthesis but triggers an accumulation of triacylglycerols". Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids. 1583 (3): 285–96. doi:10.1016/S1388-1981(02)00249-4. PMID12176396.