Salts of glucopyranose derivatives and its intermediate
US5294723A · kind A · utility
1Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1993 |
| Grant date | Mar 15, 1994 |
| Priority date | — |
| Expiry date | Jan 28, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A salt of glucopyranose derivative of the formula (I) ##STR1## wherein R.sup.2 is ##STR2## R.sup.3 is ##STR3## Y.sup.+ is sodium ion or tris(hydroxymethyl)methylammonium ion; and a glucopyranose derivative of the formula (II) ##STR4## wherein all the symbols are the same meaning as hereinbefore defined, is an important intermediate for the preparation of compound of the formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.