Elucidation of the structure of the antineoplastic agents, 2-formylpyridine and 1-formylisoquinoline thiosemicarbazones

Abstract
The geometrical isomers of the antineoplastic agents 2-formylpyridine and 1-formylisoquinoline thiosemicarbazones were synthesized and their structure was studied by spectroscopic methods. The compounds previously described in the literature and tested for carcinostatic activity were isomers with E configuration which probably contained minor amounts of Z isomers.

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