Configurational stereoisomer of difethialone, composition and rodenticidal bait comprising same, and process for controlling target rodent pests
US10791736B2 · kind B2 · utility
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Key dates
| Filing date | Dec 12, 2017 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Jan 14, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D335/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a dextrorotatory enantiomer of the configurational stereoisomer of difethialone, named homo-stereoisomer, the formula of which is 3-(4′-bromobiphenyl-4-yl)-1-(4-hydroxythiocoumarin-3-yl)-1,2,3,4-tetrahydronaphthalene, in which carbons 1 and 3 of the 1,2,3,4-tetrahydronaphthalene group of the homo-stereoisomer have the same absolute configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.