Process for the preparation of thietane derivatives
US9204648B2 · kind B2 · utility
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1Claims
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Key dates
| Filing date | Aug 24, 2012 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Aug 24, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to processes for the preparation of thietane derivatives of the formula (IA) and thietane derivatives of the formula (IB) wherein R1, R2, A1, A2, A3, A4, B, and n are as defined in the claims. The invention also relates to intermediates useful in the processes, as well as the compounds of formula (IA) and (IB) and their use as pesticides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.