Antiparasitic agents
US6362168B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1995 |
| Grant date | Mar 26, 2002 |
| Priority date | — |
| Expiry date | Jun 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/886
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: whereinX represents a single or a double bond; R1 is H or OH; provided that when X is a single bond, R1 is H or OH, and when X is a double bond, R1 is absent;R2 is H, C1-C8 alkyl, C2-C8 alkenyl, C2-C8 alkynyl, alkoxy-alkyl or alkylthioalkyl containing from 1 to 6 carbon atoms in each alkyl or alkoxy group, wherein any of said alkyl, alkoxy alkenyl or alkynyl groups may be substituted by one or more halo atoms; or a C3-C8 cycloalkyl or C5-C8 cycloalkenyl group, either of which may be substituted by methylene or one or more C1-C4 alkyl groups or halo atoms; or a 3 to 6 membered oxygen or sulphur containing heterocyclic ring which may be saturated, or fully or partially unsaturated and which may be substituted by one or more C1-C4 alkyl groups or halo atoms; or a group of the formula SR5 wherein R5 is C1-C8 alkyl, C2-C8 alkenyl, C2-C8 alkynyl, C3-C8 cycloalkyl, C5-C8 cycloalkenyl, phenyl or substituted phenyl wherein the substituent is C1-C4 alkyl, C1-C4 alkoxy or halo, or a 3 to 6 membered oxygen or sulphur containing heterocyclic ring which may be saturated, or fully or partially unsaturated and which may be substituted by one or more C1-C4 alkyl groups or …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.