Process for the manufacture of related intermediates including cistofur
US5750714A · kind A · utility
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3References
18Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 13, 1995 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Dec 13, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process of manufacture of: EQU R--CH.sub.2 --S--CH.sub.2 --CH.sub.2 --NH.sub.2 2HC1 wherein R is selected from the group consisting of ##STR1## is provided, the said process comprising reacting R--CH.sub.2 OH.HCL with HSCH.sub.2 CH.sub.2 NH.sub.2 .HC1 in a suitable solvent in the presence of an effective amount of Hydrochloric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.