Process for preparing milbemycin derivatives and certain novel compounds employed therein
US5208349A · kind A · utility
0Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1991 |
| Grant date | May 4, 1993 |
| Priority date | — |
| Expiry date | Jan 24, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H19/01
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
13-Hydroxy-5-ketomilbemycin derivatives are prepared by oxidizing a 5-ketomilbemycin with selenium dioxide in the presence of a lower aliphatic carboxylic acid. A range of new 13-acyloxy-5-ketomilbemycins and a method of preparing them are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.