Macrolide antibiotics and their preparation
US4978675A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1987 |
| Grant date | Dec 18, 1990 |
| Priority date | — |
| Expiry date | Nov 10, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12R2001/465
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Compounds are described of formula (II) ##STR1## and salts thereof, wherein R.sup.1 reprsents a methyl, ethyl or isopropyl group; PA1 R.sup.2 represents a hydrogen atom or a group OR.sup.5 (where OR.sup.5 is a hydroxy group or a substituted hydroxyl group having up to 25 carbon atoms) and R.sup.3 represents a hydrogen atom, or R.sup.2 and R.sup.3 together with the carbon atom to which they are attached represent a >C.dbd.0 group; and PA1 OR.sup.4 represnts a group OR.sup.5 as defined above; with the proviso that when R.sup.2 represents a hydroxy group OR.sup.4 represents a substituted hydroxy group other than a methoxy group. These compounds may be used for controlling insect, acarine, nematide or other pests.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.