Stefan Niementowski (August 4, 1866 – July 13, 1925 was a Polish

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe th ...

. He discovered the

Niementowski quinoline synthesis The Niementowski quinoline synthesis is the chemical reaction of anthranilic acids and ketones (or aldehydes) to form γ-hydroxyquinoline derivatives. Overview In 1894, Niementowski reported that 2-phenyl-4-hydroxyquinoline was formed when anth ...

and the

Niementowski quinazoline synthesis The Niementowski quinazoline synthesis is the chemical reaction of anthranilic acids with amides to form 4-oxo-3,4-dihydroquinazolines (3''H''-quinazolin-4-ones). Uses Research has demonstrated that the Niementowski quinazoline synthesis could ...

. He was a president of Polish Copernicus Society of Naturalists (1920–22).

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Polish Chemistry
1866 births 1925 deaths Polish chemists Lviv Polytechnic rectors {{chemist-stub