13-Halomilbemycin derivatives, their preparation and compositions containing them
US4945105A · kind A · utility
6Cited by
8References
54Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1988 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | Dec 28, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P33/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Derivatives of milbemycins D, A.sub.3 and A.sub.4 and of the corresponding sec-butyl compound have a halogen atom at the 13-position; at the 5-position, they have an oxygen (keto) atom, an oxime group or a substituted oxime group. They may be prepared from known compounds by any appropriate combination of halogenation, ketonization and oximation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.