| Patents for C07B 51 - Introduction of protecting groups or activating groups, not provided for in groups (403) | |
|---|---|
| 01/1979 | |
| 01/23/1979 | US4136254 Process of selectively blocking amino functions in aminoglycosides using transition metal salts and intermediates used thereby |
| 09/1978 | |
| 09/05/1978 | US4111933 Protection of functional groups during reaction and their subsequent restoration |
| 02/1978 | |
| 02/28/1978 | US4076758 Synthesis of vicinal glycols |