Preparation of indole derivatives
US5103020A · kind A · utility
8Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1991 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Jun 20, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for the preparation of 3-(2-aminoethyl)-N-methyl-1H-indole-5-methanesulphonamide by reaction of 4-hydrazino-N-methylbenzenemethanesulphonamide and 4-chloro-1-hydroxybutanesulphonic acid, sodium salt in the presence of an acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.