Bafilomycin pesticides
First Claim
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1. Bafilomycin of the formula ##STR6## in which R is hydrogen or the acyl radical of a carboxylic acid having one to six carbon atoms,R1 is hydrogen or CH3, andR2 is hydrogen, the acyl radical of a carboxylic acid having one to six carbon atoms or the group ##STR7## at least one of R and R2 being the radical of a carboxylic acid acyl.
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Abstract
Bafilomycins of the formula ##STR1## in which R1 is hydrogen or CH3, and
R2 is hydrogen, or the group ##STR2## are produced by culturing certain streptomyces, e.g. Tu 1922, Tu 2437 and Tu 2599. Those wherein at least one of the OH groups is acylated are new. The compounds are pesticidally active.
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Citations
16 Claims
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1. Bafilomycin of the formula ##STR6## in which R is hydrogen or the acyl radical of a carboxylic acid having one to six carbon atoms,
R1 is hydrogen or CH3, and R2 is hydrogen, the acyl radical of a carboxylic acid having one to six carbon atoms or the group ##STR7## at least one of R and R2 being the radical of a carboxylic acid acyl.
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3. A pure Bafilomycin of the formula ##STR8## in which R is hydrogen or the acyl radical of a carboxylic acid having one to six carbon atoms,
R1 is hydrogen or CH3, and R2 is hydrogen, the acyl radical of a carboxylic acid having one to six carbon atoms or the group ##STR9##
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15. A method of combating insects, arachnids, nematodes or fungi which comprises administering thereto or to a habitat thereof an insecticidally, arachnicidally, nematicidally or fungicidally effective amount of Bafilomycin of the formula ##STR12## in which R is hydrogen or the acyl radical of a carboxylic acid having one to six carbon atoms,
R1 is hydrogen or CH3, and R2 is hydrogen, the acyl radical of a carboxylic acid having one to six carbon atoms or the group ##STR13##
Specification