Process for producing a 3,4-alkylene-1,3,4-thiadiazolidin-2-one and intermediates for the same
US5705651A · kind A · utility
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12Claims
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Key dates
| Filing date | Aug 22, 1995 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Aug 22, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D513/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
According to the process of the present invention, a 3,4-alkylene-1,3,4-thiadiazolidin-2-one, which is useful as a herbicide, can be easily produced in a high yield by reacting a 1,3,4-thiadiazolidin-2-one with a dihaloalkane in the presence of a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.