Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1985-06-04
1988-12-13
Milestone, Norma S.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
549264, 546 15, C07D49322, A61K 31365
Patent
active
047911344
ABSTRACT:
The invention relates to milbemycin derivatives of formula I ##STR1## wherein R.sub.1 is an aliphatic or aromatic radical or is a pyridyl ring or a heterocyclic oxygen-containing 5- or 6-membered ring, all of which may also be bound through oxygen, and R.sub.2 is methyl, ethyl or isopropyl. These compounds are suitable for controlling arthropode species such as injurious insects or endo- or ectoparasites of animals and are employed in the form of compositions. The compounds can also be used as intermediates for obtaining further milbemycin derivatives.
REFERENCES:
patent: 3950360 (1976-04-01), Aoki et al.
patent: 4346171 (1982-08-01), Takiguchi et al.
Ciba-Geigy Corporation
Findlay Meredith C.
McC. Roberts Edward
Milestone Norma S.
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