Monatshefte fur Chemie p. 341 - 348 (1995)
Update date:2022-08-03
Topics:
Gewald, K.
Rehwald, M.
Mueller, H.
Bellmann, P.
Schaefer, H.
Arylhydrazono acetamides 1 react with chloroacetic acid chloride to give N-chloroacetyl derivatives 2.Subsequent reaction with pyridines followed by ring closure yield 1-(4-amino-6-oxo-pyridazin-5-yl)-pyridinium chlorides 3.Analogously, 1-(6-oxo-pyridazin
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Doi:10.1021/jm00005a006
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