1,3,2-dioxathiolane oxide derivative
US5214056A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1991 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Aug 20, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A 1,3,2-dioxathiolane oxide derivative is represented by the following formula: ##STR1## wherein X represents --S(O)-- or --S(O).sub.2 --; PA0 R.sup.1 represents a hydrogen atom, an alkali metal atom, a benzyl group, or a lower alkyl group; PA0 R.sup.2 represents a lower alkyl group which may be substituted with a methylthio group, or a benzyl group, and PA0 R.sup.3 and R.sup.4 may be the same or different and independently represent a hydrogen atom, an alkyl group having one to ten carbon atoms, a lower alkyl group substituted with a guanidyl group, a cycloalkyl group having 3 to 6 carbon atoms, a phenyl group, a benzyl group, or a phenethyl group, or together form an alkylene group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.