Abstract
IT has been conclusively demonstrated previously that Girard's reagent is capable of condensing with high-molecular-weight ketonic substances in the presence of large masses of inert material to form hydrazone derivatives having a polar group which renders them soluble in water1. Thus it is not unreasonable to expect (not “assume”) that ketonic substances even in a material as complex as coal will undergo the condensation reaction with Girard's reagent provided steric hindrance effects are not too great.
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References
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LITTLEWOOD, K., MONAGHAN, M. Carbonyl Groups in Bituminous Coals. Nature 193, 870–871 (1962). https://doi.org/10.1038/193870b0
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DOI: https://doi.org/10.1038/193870b0
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