Method for preparation of 2-alkyl-1,2-benzisothiazolin-3-ones
US9139540B1 · kind B1 · utility
1Cited by
2References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 19, 2013 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Nov 19, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D275/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for preparation of 2-alkyl-1,2-benzisothiazolin-3-ones from 1,2-benzisothiazolin-3-one by contacting 1,2-benzisothiazolm-3-one with a dialkyl carbonate in the presence of a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.