Macrolide antibiotics

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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549264, A61K 31365, C07D31500

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active

049506838

ABSTRACT:
Compounds are described of formula (I) ##STR1## and salts thereof, wherein OR is a hydroxyl group or a substituted hydroxyl group having up to 25 carbon atoms, R.sup.1 represents a methyl, ethyl or isopropyl group and the broken line represents a double bond at the 22,23-position or at the 23,24-position.
These compounds may be used for controlling insect, acarine, nematode or other pests.

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