|
|||||
|
|
Some new methods for preparing 2,3- and 3,4-diaminopyridines |
|
| Authors: | J. B. Campbell J. M. Greene E. R. Lavagnino D. N. Gardner A. J. Pike J. Snoddy E. C. Taylor |
| Abstract: | New methods of preparing 2,3-diaminopyridine ( 13 ) from 2-chloro-3-nitropyridine ( 11 ) and 3,4-diaminopy-ridine ( 8 ) from 4-ethoxy-3-nitropyridine hydrochloride ( 5 ) have been explored and evaluated. |
| Keywords: | |