Process for the preparation of a salt of 1-(.gamma.-halopropyl)-1,2,3,4-.beta.-carbolines
US4565870A · kind A · utility
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Key dates
| Filing date | Aug 2, 1983 |
| Grant date | Jan 21, 1986 |
| Priority date | — |
| Expiry date | Aug 2, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Salts of 1,2,3,4-tetrahydro-.beta.-carbolines of the formula I ##STR1## where R is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or trifluoromethyl, x is halogen and n is an integer from 2 to 5, and their preparation are described. The compounds are intermediates for the preparation of pharmacologically active substances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.