Acid addition salt of carbasugar amine derivative
US7485755B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2004 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | May 19, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An acid addition salt of a carba-sugar amine derivative represented by the following formula (1):wherein R1 and R2 each independently represents a hydrogen atom, or an alkyl group, an alkenyl group, an alkynyl group, an acyl group, an aryl group or an aralkyl group which may have one or at least two of the following substituent (I) or (II), or R1 and R2 are taken together to represent a substituent (III)(R8 to R12 each independently represents an alkyl group, an alkenyl group, an alkynyl group, an acyl group, an aryl group or an aralkyl group), with the proviso that both R1 and R2 are not a hydrogen atom at the same time; R3, R4 and R7 each independently represents a hydroxyl group or a hydroxyl group having a substituent; and R5 and R6 each independently represents a hydrogen atom, or a hydroxyl group or a hydroxyl group having a substituent, with the proviso that when one of R5 and R6 is a hydrogen atom, the other is a hydroxyl group or a hydroxyl group having a substituent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.