Process for the preparation of alkyl glycosides and alkyl polyglycosides
US5206357A · kind A · utility
9Cited by
2References
12Claims
0Family size
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Inventor
Key dates
| Filing date | Oct 28, 1991 |
| Grant date | Apr 27, 1993 |
| Priority date | — |
| Expiry date | Oct 28, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H15/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Alkyl glycosides and alkyl polyglycosides are prepared by reacting saccharides and alcohols having 12 to 20 C atoms by acid catalysis in the presence of sodium hypophosphite and up to 1.3% by water, relative to the total of saccharides and alcohols, the molar ratio of saccharide to alcohol ranging from 1:5 to 1:10; and, after reaction is complete, neutralizing the reaction medium with an alkali metal hydroxide dissolved in an alcohol having 1 to 4 C atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.