Method for preparing 3-aminopropane phosphoric acid
US5723645A · kind A · utility
2Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1996 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | Nov 4, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/091
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a method for preparing 3-aminopropane phosphoric acid represented by the formula (I), comprising the steps of (a) reacting 3-amino-1-propanoi with phosphorus oxychloride at a low temperature, and (b) hydrolyzing the product of the step (a) in the presence of an acidic catalyst, and a cosmetic composition containing 3-aminopropanic phosphoric acid or its salts as an active ingredient. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.