Beta-ionone derivatives as antifungal agents

Details Beta-ionone derivatives as antifungal agents Beta-ionone derivatives as antifungal agents

1988-09-28

1990-10-16

Shippen, Michael L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

N-c doai

514490, 514531, 514546, 560115, 560124, 560160, 560162, 560187, 560259, 558234, C07C125065, C07C 6903, A01N 3702, A01N 4718

Patent

active

049635832

ABSTRACT:
Novel 3-acyloxy-4-keto-.beta.-ionone derivatives of the formula I ##STR1## wherein Z is either the radical ##STR2## in which R.sub.1 represents C.sub.2 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy-C.sub.1 -C.sub.5 alkyl having a maximum number of 6 carbon atoms, cyclopropyl or cyclopropyl which is substituted by methyl or by halogen or represents the radical ##STR3## wherein R.sub.2 represents C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy-C.sub.1 -C.sub.5 alkyl having a maximum number of 6 carbon atoms, cyclopropyl or cyclopropyl which is substituted by methyl or by halogen and X represents either oxygen or sulphur, and ##STR4## display very effective microbicidal activity. They can especially be used in microbicidal compositions to control plant-pathogenic microorganisms, preferably fungi of the order Oomycetes.

REFERENCES:
Widmer et al. Helv. Chim. Acta, 64,2405-2418, (1981).
R. A. Leppek et al., Phylochemistry, 11, 2055-2063 (1972).
Annales du Tabac, 1974, 208.
Becher, Helv. Chim. Acta, 64(7), p. 2419-35, (1981).

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