SYNTHESIS AND ULTRAVIOLET ABSORPTION OF SOME PYRAZOLONES

1 October 1951

journal article
Published by Canadian Science Publishing in Canadian Journal of Chemistry

Vol. 29 (10) , 843-847
https://doi.org/10.1139/v51-097

Abstract

Thirteen 3-amino-5-pyrazolones substituted only in position 4 have been synthesized from the corresponding mono- or disubstituted cyanoacethydrazides or cyanoacetic esters in alkaline medium. Their ultraviolet light absorption spectra have been determined in neutral and acid solutions.

Keywords

MEDIUM
SPECTRA
SUBSTITUTED
NEUTRAL
PYRAZOLONES
ULTRAVIOLET ABSORPTION
CORRESPONDING
AMINO

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