Lactone derivative, process for the preparation thereof, and use thereof in pest control
US4584314A · kind A · utility
5Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 1984 |
| Grant date | Apr 22, 1986 |
| Priority date | — |
| Expiry date | Nov 16, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H19/01
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The compound of formula I ##STR1## wherein R.sub.2 is methyl, ethyl, isopropyl or sec-butyl, can be prepared by selective chlorination of an appropriate milbemycin derivative either with hypochlorous acid (HOCl) or sulfuryl chloride (SO.sub.2 Cl.sub.2) in the temperature range from -10.degree. to +60.degree. C. It is employed as pesticide for controlling Arthropode species such as injurious insects or ecto- or endoparasites of animals, and is applied in the form of compositions. This compound is also used as intermediate for obtaining further milbemycin derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.