3992. Fenpropidin
Nomenclature
CAS number: 67306-00-7
1-[3-[4-(1,1-Dimethylethyl)phenyl]-2-methylpropyl]piperidine; (RS)-1-[3-(4-tert-butylphenyl)-2-methylpropyl]piperidine; Tern (Syngenta). C19H31N; mol wt 273.46.
C 83.45%, H 11.43%, N 5.12%.
Description and references
Piperidine fungicide active against powdery mildews of grain. Prepn: BE 861002; A. Pfiffner, US 4241058 (1978, 1980 both to Hoffmann-La Roche). Improved process: N. Goetz, L. Hupfer, EP 17893; eidem, US 4283534 (1980, 1981 both to BASF). Structure-activity relationships: W. Himmele, E.-H. Pommer, Angew. Chem. Int. Ed. 19, 184 (1980). Inhibition of ergosterol biosynthesis: R. I. Baloch et al., Phytochemistry 23, 2219 (1984).
