Therapeutically effective derivatives of cystine
US4438133A · kind A · utility
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10Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 28, 1982 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Jun 28, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel cystine derivatives having the structural formula (I): ##STR1## wherein R is benzyloxycarbonyl or tosyl, and the pharmaceutically acceptable acid addition salts thereof, are effective expectorants and antitussives, and are also effective for the liquescence of respiratory tract fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.